JP7117778B2 - Ankle band and sleep measurement system - Google Patents

Description

The present disclosure relates to an ankle band that is wrapped around the ankle of a measurement subject and a sleep state measurement system.

Japanese Patent Application Laid-Open No. 6-74525 describes a sleep detection device. The sleep detection device includes a sensor main body placed on a mattress, and the sensor main body includes a plurality of skin temperature sensors arranged in a grid pattern and a transmission section for transmitting signals from the skin temperature sensors. This sleep detection device obtains the skin temperature during sleep from the signal from the skin temperature sensor, and determines the sleeper's body movement from variations in the skin temperature. The sleep detection device determines sleep and sleep onset of the sleeper from the skin temperature and body movement during sleep.

Japanese Patent Laid-Open No. 5-33204 describes a pajama and bedroom system with added sensors. This pajama comprises four temperature sensors and four humidity sensors arranged to surround the chest, a signal processing unit for detecting the maximum temperature among the temperatures measured by each of the four temperature sensors, and a human body. and a pressure sensor for measuring the respiratory state of the body. The bedroom system includes the above pajamas and an air conditioner, and the maximum temperature detected by the signal processing unit is wirelessly transmitted to the control unit of the air conditioner. When the pajamas are put on, the output of each temperature sensor and each humidity sensor is transmitted from the signal processing section to the input section and control section of the air conditioner. In addition, a temperature sensor is attached to the lower leg of the pajama to detect the low temperature of the lower leg, and the bedroom system raises the temperature setting of the air conditioner and activates the hot carpet or electric blanket to make it easier to fall asleep. I'm aiming.

JP-A-6-74525 JP-A-5-33204

By the way, it is known that when a sleeper feels cold, the sleeper tends to fall asleep poorly and sleep lightly. That is, when the sleeper feels cold, there is a possibility that the sleeping person's body temperature is not well regulated, and in that case, there is a concern that light sleep or insomnia may occur. Therefore, in some cases, it is important to measure the coldness during sleep and warm the sleeper's body appropriately.

In the pajamas described above, a temperature sensor is arranged at a location where the lower leg contacts, and the temperature sensor detects the low temperature state of the lower leg. However, this pajama temperature sensor may be separated from the lower leg by the body movement of the sleeping person, and there is a problem that the temperature of the ankle of the measurement subject cannot be measured accurately and with high accuracy. Also, the ankle has more bumps and dips than other parts of the body, with the ankle and heel protruding in the skin. Therefore, the pajama temperature sensor does not sufficiently follow the ankle, and in this respect also the temperature of the ankle cannot be measured accurately.

Furthermore, when the skin temperature of the ankle relative to the trunk is high, the core body temperature is relatively low. I understand. On the other hand, when the core body temperature is high and the ankle temperature is relatively low, the heat dissipation from the ankle is not smooth and the sleep state is shallow. Therefore, if the ankle temperature can be measured accurately, it is possible to accurately determine whether the sleeping state is deep or light. Therefore, accurate and highly accurate measurement of the ankle temperature is also important for understanding the sleep state.

An object of the present disclosure is to provide an ankle band and a sleep state measurement system that can sufficiently follow the ankle and measure the temperature of the ankle accurately and with high accuracy.

The ankle band according to the present disclosure is an ankle band that is wrapped around the ankle of a person to be measured, and includes a base portion made of stretchable fabric and an ankle temperature measurement portion that is fixed to the base portion and measures the temperature of the ankle. a body movement measurement unit fixed to the base unit and measuring the body movement of the measurement subject; the temperature of the ankle measured by the ankle temperature measurement unit; and the body movement of the measurement subject measured by the body movement measurement unit. to the outside of the ankle band, and the ankle band has an annular sector shape, each of which has a pair of arcs extending along the circumferential direction and aligned along the radial direction, and a pair of arcs. a pair of diametrically extending radii between each end thereof to restrain slippage of the base portion wrapped around the ankle, the cleats extending from one arc of the ankle band to the other; The length of one arc is longer than the length of the other arc, and a plurality of ankle temperature measurement units are provided and arranged on one arc side The ankle temperature measuring part measures the temperature of the front upper part of the ankle, and the ankle temperature measuring part arranged on the other arc side measures the temperature of the front lower part of the ankle .

In this ankle band, an ankle temperature measurement part and a body movement measurement part are fixed to a base part made of stretchable fabric. measures the body movements of the subject. Therefore, since the ankle temperature measurement part and the body movement measurement part are fixed to the base part made of stretchable fabric, the temperature and body movement of the ankle are measured while the base part is wrapped around the ankle of the person to be measured. By doing so, the temperature and body movement of the ankle can be measured accurately and with high accuracy. That is, since the temperature and body movement can be measured while the base portion is in close contact with the ankle, the temperature and body movement of the ankle can be measured accurately and with high accuracy. In addition, the transmission unit transmits the temperature and body movement of the ankle to the outside of the ankle band, and controls the device outside the ankle band based on the information on the temperature and body movement of the ankle that is accurately and highly accurately measured. , the body of the person to be measured can be warmed appropriately. Therefore, when the subject's body is cold, the subject's body can be warmed, so that the subject's insomnia can be suppressed by making it easier for the subject to fall asleep.

The ankle band described above may include a stretchable wire connecting the ankle temperature measuring unit and the transmitting unit to each other and having stretchability. By the way, many of the wirings used for sensors and the like do not expand and contract, and if the wirings are fixed to the fabric and used, there is a possibility that the wirings will break. In addition, since the clothing including the ankle band stretches and contracts during use and is washed, there is a concern that the wiring may be disconnected during use or washing. On the other hand, as described above, when the ankle band is provided with elastic wiring, even if the ankle band is worn or washed, the elastic wiring follows the wearing or washing, etc. Disconnection in can be suppressed. Furthermore, since the ankle temperature measurement unit and the transmission unit are connected to each other via elastic wiring, it is possible to improve the followability of the wiring along with the body movements of the person to be measured.

The elastic wiring described above may be insulated against water. In this case, since the elastic wiring described above is insulated against water, the elastic wiring can be protected from night sweats and the like.

The ankle band described above may include an external temperature measuring section that measures the temperature of the outside of the ankle band wrapped around the ankle of the person to be measured. In this case, the temperature outside the ankle can be measured by the external temperature measuring unit measuring the temperature outside the ankle band. Further, when the person to be measured lies on the bedding, the temperature in the bed of the bedding can be measured by the external temperature measuring unit. By controlling the device outside the ankle band based on the information about the temperature in the bed, it is possible to provide the person to be measured with a more comfortable sleeping environment.

The above-mentioned ankle band has a holding part that holds the base part around the ankle of the person to be measured while the base part is wrapped around the ankle. The base may be retained. By the way, the front lower part of the ankle tends to get colder than other parts of the foot, and it is effective to determine the presence or absence of sensitivity to cold by measuring the temperature of the front lower part of the ankle. Therefore, by holding the base portion with the holding portion while the ankle temperature measuring portion is positioned at the front lower portion of the ankle, it is possible to determine the presence or absence of sensitivity to cold with higher accuracy.

A sleep state measurement system according to the present disclosure is a sleep state measurement system that includes the ankle band described above, and is a roll-over measurement that measures the roll-over of the measurement subject from the body movement of the measurement subject measured by the body movement measurement unit. and a sleep state estimating unit for estimating the sleeping state of the measurement subject based on the measurement subject's rollover measured by the rolling measurement section and the ankle temperature measured by the ankle temperature measurement section.

In this sleep state measurement system, the tossing and turning measuring unit measures the tossing and turning of the measurement subject from the body movement obtained by the ankle band, and the temperature obtained by the ankle band and the sleep state estimation unit calculates the sleeping state of the measurement subject from the tossing and turning. Estimate the state. For example, the sleep state estimating unit estimates that sleep of the measurement subject is light when the temperature of the ankle is low or the number of times of tossing and turning is equal to or greater than a predetermined number of times, and when the temperature of the ankle is high or the number of times of tossing and turning is less than the predetermined number of times. It is estimated that the sleep of the measurement subject is deep. In this way, by estimating the sleep state of the measurement subject by the sleep state estimation unit from the ankle temperature and body movement, it is possible to determine the presence or absence of sensitivity to cold and to acquire information on the sleep state of the measurement subject. can be done.

The sleep state measurement system described above includes a device control unit that controls the operation of a device external to the ankle band according to the sleep state of the measurement subject estimated by the sleep state estimation unit, and the device control unit controls the measurement target person can communicate with a thermotherapy device that performs hyperthermia treatment, and the operation of the thermotherapy device may be controlled according to the sleep state of the person to be measured. In this case, the device control unit controls the operation of the thermotherapy device according to the measured sleep state. Therefore, the device control section controls the operation of the heat treatment device according to the sleeping state obtained from the ankle temperature and body motion, so that the heat treatment device can be automatically and appropriately operated. Therefore, it is possible to appropriately perform thermal treatment on the person to be measured who is sensitive to cold and is sleeping, so that the person to be measured can be provided with a more comfortable sleep.

ADVANTAGE OF THE INVENTION According to this invention, an ankle can be fully followed, and the temperature of an ankle can be measured correctly and with high precision.

FIG. 1 is a perspective view showing an example of a state in which the ankle band according to the embodiment is wrapped. 2 is a diagram showing an example of the front side of the ankle band of FIG. 1. FIG. 3 is a diagram showing an example of the back side of the ankle band of FIG. 1. FIG. FIG. 4 is an exemplary block diagram of a sleep state measurement system according to an embodiment. FIG. 5 is a flow chart showing an example of a sleep state measuring method according to the embodiment. FIG. 6(a) is a diagram showing the temperature of the front ankle before performing the ankle skin surface temperature measurement test. FIG. 6(b) shows the temperature of the posterior ankle before performing the ankle skin surface temperature measurement test. FIG. 6(c) is a diagram showing the temperature of the anterior ankle after performing the ankle skin surface temperature measurement test. FIG. 6(d) shows the temperature of the posterior ankle after performing the ankle skin surface temperature measurement test.

Embodiments of an ankle band and a sleep state measuring system according to the present invention will be described below with reference to the drawings. It should be noted that the present invention is not limited to the following examples, but is intended to include all modifications indicated in the claims and within the scope equivalent to the claims. In the description of the drawings, the same or corresponding elements are denoted by the same reference numerals, and duplicate descriptions are omitted as appropriate. In addition, the drawings may be partially simplified or exaggerated for easy understanding, and the dimensional ratios and the like are not limited to those described in the drawings.

The ankle band 1 according to the present embodiment measures various data on the body of the person M to be measured while being wrapped around the ankle M1 of the person M to be measured. As used herein, the term “measurement subject” refers to a subject whose data (e.g., temperature data or body movement data) is measured by an ankle sensor, and is measured while lying on bedding. It includes those who are measured in a sleeping state and those who are measured in a seated state.

An "ankle band" indicates a belt-like or string-like member wrapped around and held around the ankle, and an "ankle" indicates the lower part of the shin in a standing state. The ankle has an outer malleolus located at the tip of the fibula, an inner malleolus located at the tip of the tibia, and a heel made up of the calcaneus. are formed. Furthermore, since the ankle is located far from the face, it is troublesome to restore the slippage of the sock when it slips.

As will be described later, the "ankle band" is an ankle sensor that measures body data from the uneven and complicatedly shaped ankle. At the same time, it is required to acquire data with high accuracy. The ankle band 1 according to the present embodiment is made of stretchable fabric, and is hard to shift and has high followability and flexibility to the ankle M1.

"Stretchable fabric" refers to a fabric that stretches or shrinks when an external force is applied, and as an indicator of whether it is "stretchable", JIS L 1096 "Fabric test method for woven and knitted fabrics" "elongation" as measured by As used herein, the term "stretchable fabric" refers to, for example, a fabric having an "elongation rate" of 2% or more, and typically includes cotton and the like. In addition, "stretchability" refers to the ability of the ankle band to return to its original shape after a tensile load is applied to the ankle band, the ankle band is stretched, and the stretched ankle band returns to its original shape after the tensile load is released. It shows the property of being easy to expand and contract with the application. The higher the elongation rate, the higher the stretchability, and the lower the elongation rate, the lower the stretchability.

FIG. 1 is a diagram showing an example of a state in which an ankle band 1 according to this embodiment is wrapped around an ankle M1 of a person M to be measured. The ankle band 1 measures the temperature and body movement of the ankle M1 of the measurement subject M lying on the bedding B, for example. In the present embodiment, "bedding" is applied to the body of the measurement subject M when the measurement subject M rests or sleeps, and typically includes a mattress, a comforter, a mattress, Bed pads, pillows, cushions or cushions.

The ankle band 1 is different from, for example, a sock that covers the toes of the subject M, and is a band that is wrapped around the ankle M1 with the toes and toes exposed. As described above, the ankle band 1 is wrapped around the ankle M1 with the toes exposed, so that dampness of the toes during sleep can be suppressed, so that a more comfortable sleep can be provided.

The ankle band 1 includes an ankle temperature measuring section 11 that measures the temperature of the ankle M1, a body movement measuring section 12 that measures the body movement of the measurement subject M, and an external temperature measuring section that measures the temperature outside the ankle band 1. 13 , a transmitter 14 for transmitting measured data to the outside of the ankle band 1 , and elastic wiring 15 interposed between the ankle temperature measuring unit 11 and the transmitter 14 .

FIG. 2 is a perspective view showing the surface 1a of the ankle band 1. FIG. 3 is a perspective view showing the back surface 1b of the ankle band 1. FIG. The surface 1a of the ankle band 1 is the surface facing the outside of the ankle M1 when the ankle band 1 is wrapped around the ankle M1. The back surface 1b of the ankle band 1 is the surface that contacts the ankle M1 when the ankle band 1 is wrapped around the ankle M1.

For example, the body motion measuring unit 12, the external temperature measuring unit 13, the transmitting unit 14, and the elastic wiring 15, which have a certain height, are fixed on the front surface 1a, and there is no portion having height on the back surface 1b. That is, the back surface 1b is flat. Therefore, even if the back surface 1b comes into contact with the ankle M1, it is possible to reduce discomfort with respect to the ankle M1. For example, the ankle band 1 has an annular sector shape, and includes a pair of arcs 1c and 1d extending along the circumferential direction and lined up along the radial direction, and between the ends of the pair of arcs 1c and 1d. and a pair of diameters 1e and 1f extending radially at .

The arc 1c is provided radially outside the arc 1d, and the length L1 of the arc 1c is longer than the length L2 of the arc 1d. For example, the length L3 of diameter 1e and the length of diameter 1f are substantially the same and shorter than the length of arc 1d. As an example, the length L2 of arc 1d is 15 cm or more and 40 cm or less, and the length L3 of diameters 1e and 1f is 8 cm or more and 25 cm or less. However, the lengths L1, L2, and L3 can be changed as appropriate.

The ankle band 1 has, for example, an arc 1c on the base side of the ankle M1 (upper side of the standing measurement subject M), and an arc 1d on the tip side of the ankle M1 (lower side of the standing measurement subject M's body). Wrapped to position. Since the tip side of the ankle M1 is narrower than the base side of the ankle M1, a good fitting feeling is obtained by wrapping the fan-shaped annular ankle band 1 around the ankle M1 as described above.

In addition, the shape of the ankle band 1 is not limited to an annular fan shape, and may be, for example, a rectangular shape, and can be changed as appropriate. As an example, if the ankle band 1 has a rectangular shape, the ankle band 1 extends in both the longitudinal direction D1 and the width direction D2. The longitudinal direction D1 is, for example, the direction in which the tangent to the midpoint of the arcs 1c and 1d extends, and the width direction D2 is the direction orthogonal to both the longitudinal direction D1 and the thickness direction of the ankle band 1.

The ankle band 1 includes a base part 2 made of stretchable fabric, a holding part 3 for holding the base part 2 wrapped around the ankle M1, and a non-slip for suppressing slippage of the base part 2 wrapped around the ankle M1. a part 4; For example, the holding portions 3 are hook-and-loop fasteners 3a and 3b provided at a position including the diameter 1e of the front surface 1a of the ankle band 1 and a position including the diameter 1f of the back surface 1b.

In this case, the ankle band 1 is wrapped around the ankle M1 by wrapping the base portion 2 around the ankle M1 with the surface 1a facing outward and joining the hook-and-loop fastener 3a to the hook-and-loop fastener 3b. The hook-and-loop fasteners 3a and 3b may include, for example, a pile portion composed of a collection of soft threads that are hooked and entangled with each other, and may be made of a material that is soft and does not easily collect dirt.

The anti-slip portion 4 is provided along each of the arcs 1c and 1d of the ankle band 1, and suppresses slippage of the ankle band 1 with respect to the ankle M1. The anti-slip portion 4 extends, for example, in a belt shape along the circumferential direction of the ankle band 1 having an annular sector shape. The width of the non-slip portion 4 is, for example, 0.3 cm or more and 5.0 cm or less, but can be changed as appropriate. "Anti-slip part" refers to a part or article that has been treated to prevent slipping of objects that come into contact with the anti-slip part. It includes those that have been given and those that have been roughened.

As an example, the non-slip portion 4 may be composed of a non-slip felt or knitted fabric containing a rubber material. The non-slip portion 4 may be made of woven anti-friction fibers such as polyester, polyurethane, or aramid fibers. For example, the non-slip portion 4 is made of a material having water resistance. "Water resistance" indicates the property of not being degraded by water or being resistant to being degraded by water, and includes that the shape, function and properties do not change even when in contact with water. When the non-slip portion 4 is made of a water-resistant material, it is possible to more reliably protect the ankle band 1 from night sweats and the like.

The base portion 2 is a base portion of the ankle band 1, and the base portion 2 includes the above-described holding portion 3, anti-slip portion 4, ankle temperature measurement portion 11, body movement measurement portion 12, external temperature measurement portion 13, transmission A section 14 and elastic wiring 15 are provided. The elongation rate of the base portion 2 is, for example, 2% or more. The lower limit of the elongation rate of the base portion 2 may be, for example, 2%, 3%, 5%, 10% or 20%, and the upper limit of the elongation rate of the base portion 2 is 50%, 40%, 30%, It may be 15% or 5%. As an example, the base portion 2 may be made of a cotton material, or may be an elastic material formed by weaving polyethylene threads in the vertical and horizontal directions. It may be a 2-way fabric extending in both directions of D2).

Ankle temperature measurement unit 11, body movement measurement unit 12, external temperature measurement unit 13, transmission unit 14, and elastic wiring 15 are fixed to surface 1a of ankle band 1, for example. The ankle temperature measurement unit 11 is, for example, a contact temperature sensor that penetrates the base portion 2 in the thickness direction of the ankle band 1 and measures the temperature of the ankle M1 by directly contacting the ankle M1. Therefore, part of the ankle temperature measuring section 11 is exposed on the back surface 1b. Note that the ankle temperature measurement unit 11 may be a non-contact temperature sensor.

However, when the ankle temperature measuring unit 11 contacts the ankle M1 to measure the temperature of the ankle M1 as described above, it is possible to obtain the temperature of the ankle M1 with high accuracy. Various types of temperature sensors can be used for the ankle temperature measurement unit 11 as long as they are skin temperature sensors. For example, a thermistor or a platinum resistance thermometer may be used. Also, the ankle temperature measurement unit 11 may be a stretchable sensor that can be expanded and contracted.

The ankle band 1 includes, for example, a pair of ankle temperature measurement sections 11 arranged side by side in the width direction D2. For example, the ankle temperature measurement unit 11 arranged on the arc 1c side of the pair of ankle temperature measurement units 11 measures the temperature of the front upper part of the ankle M1, and the pair of ankle temperature measurement units 11 arranged on the arc 1d side. The ankle temperature measuring unit 11 measures the temperature of the front lower part P (see FIG. 1 or FIG. 6) of the ankle M1. By measuring the temperature of the ankle M1 by the plurality of ankle temperature measurement units 11 in this manner, temperature data of the ankle M1 can be obtained with high accuracy.

The ankle band 1 may be provided with one ankle temperature measuring section 11 arranged on the arc 1d side and measuring the temperature of the front lower portion P of the ankle M1. In this case, it is possible to directly measure the temperature of the front lower portion P of the ankle M1, which tends to be cold, so that it is possible to measure the coldness of the body with high accuracy.

The body movement measuring unit 12, the external temperature measuring unit 13, and the transmitting unit 14 are housed in a housing 16 that is detachably fixed to the surface 1a of the ankle band 1, for example. The housing 16 is attachable to and detachable from a plate-shaped housing mounting portion 17 fixed to the base portion 2 . The housing 16 is provided on one side (the right side in FIG. 2) of the ankle band 1 in the longitudinal direction D1. The housing 16 has, for example, a rectangular parallelepiped shape elongated in the width direction D2. The housing 16 and the housing mounting portion 17 are provided so as to connect the pair of elastic wirings 15 to each other.

The housing 16 may have, for example, a cuboid shape with rounded corners. As a result, even if the housing 16 hits the body of the person M to be measured, it is possible to reduce the discomfort felt by the person M to be measured. Note that only part of the body motion measurement unit 12 , the external temperature measurement unit 13 , and the transmission unit 14 may be housed in the housing 16 , and the rest may be provided outside the housing 16 . In this way, the arrangement of the body movement measuring section 12, the external temperature measuring section 13 and the transmitting section 14 can be changed as appropriate.

The body motion measurement unit 12 is, for example, an acceleration sensor. In this case, the body motion measuring unit 12 may be a piezoelectric acceleration sensor, a capacitive acceleration sensor, or a piezoresistive acceleration sensor. Also, the body movement measuring unit 12 may be a sensor other than the acceleration sensor, and may be, for example, a strain sensor. In this case, the body movement measurement unit 12 measures the body movement of the measurement subject M by detecting wrinkles formed in the base section 2 due to the movement of the ankle M1 (the body movement of the measurement subject M), for example. good too.

Furthermore, the body movement measuring section 12 may be a stretchable sensor fixed to the base section 2 . In this case, the body motion measuring unit 12 expands and contracts according to the movement of the ankle M1, the electrical resistance of the body motion measuring unit 12 changes according to the degree of stretching of the body motion measuring unit 12, and this change in electrical resistance is detected. By doing so, the body motion of the person M to be measured is detected. That is, the body movement measuring section 12, which is a stretchable sensor, expands and contracts while being in contact with the ankle M1 via the base section 2, and the change in electrical resistance due to this expansion and contraction is received, so that the body movement of the person to be measured M is measured. measured. As described above, various sensors can be used as the body movement measuring unit 12 that measures the body movement of the person M to be measured.

The external temperature measurement unit 13 is, for example, a thermometer provided on the housing 16 . As an example, the external temperature measurement unit 13 measures the temperature inside the bed of the person M to be measured when he or she sleeps. In this way, the external temperature measurement unit 13 of the ankle band 1 wrapped around the ankle M1 measures the temperature of the ankle M1 as well as the temperature in the bed, thereby providing the person M to be measured with a better sleeping environment. becomes. Note that the external temperature measurement unit 13 may be arranged outside the housing 16 and connected to the housing 16 via the stretchable wiring 15 , like the ankle temperature measurement unit 11 .

The transmission unit 14 transmits ankle temperature data, body movement data, and external temperature data measured by the ankle temperature measurement unit 11, the body movement measurement unit 12, and the external temperature measurement unit 13, respectively, to the control unit of the sleep state measurement system 10, which will be described later. 20. The transmission unit 14 has a wireless communication interface such as a wireless LAN or Bluetooth (registered trademark), and is capable of wireless data communication with an external device of the ankle band 1 .

Elastic wiring 15 is a wiring that electrically connects ankle temperature measurement unit 11 and transmission unit 14 to each other. The elastic wiring 15 extends, for example, from the ankle temperature measuring section 11 in the longitudinal direction D1 of the ankle band 1 . The ankle temperature measurement unit 11 is provided, for example, on the other side (the left side in FIG. 2) of the ankle band 1 in the longitudinal direction D1. A detection signal of the temperature data of the ankle M1 detected by the ankle temperature measurement unit 11 is input to the elastic wiring 15 , and the detection signal of the input temperature data is output to the transmission unit 14 . For example, the elastic wiring 15 is formed by sandwiching a conductor between insulating resins and sewn into the base portion 2 .

The elastic wiring 15 has high elasticity, and for example, the elongation rate of the elastic wiring 15 is higher than the elongation rate of the base portion 2 . Elastic wiring 15 is insulated against water, for example. As a specific example, the elastic wiring 15 is made of a wiring material that passes JIS C 3005 (rubber/plastic insulated wire test method). The stretchable wiring 15 may include, for example, silver-plated fibers. The elastic wiring 15 may be, for example, knitted to the base portion 2 or may be joined to the base portion 2 with an adhesive. Thus, the means for joining the elastic wiring 15 to the base portion 2 is not particularly limited. The elastic wiring 15 expands and contracts together with the base portion 2 while maintaining the shape of the wiring.

FIG. 4 is a block diagram showing an example of functions of the sleep state measurement system 10 having the ankle band 1 configured as described above. It should be noted that each function provided in the sleep state measurement system 10 is not limited to that shown in FIG. 4 and can be changed as appropriate. The ankle band 1 and sleep state measurement system 10 measure, for example, the temperature and body motion of the ankle M1 of the measurement subject M lying on the bedding B (see FIG. 1).

The sleep state measurement system 10 includes, for example, the ankle band 1 described above, a control unit 20 that performs overall control of the sleep state measurement system 10, a display device 31, and a thermotherapy device 32. The controller 20 is provided in a computer such as a personal computer, for example, and is capable of communicating with each of the ankle band 1, the display 31, and the thermotherapy device 32. FIG. The computer provided with the control unit 20 includes, for example, a processor (e.g., CPU) that executes an operating system and application programs, etc., a main storage unit configured with ROM, RAM, etc., and an auxiliary storage unit configured with a hard disk, flash memory, or the like. It comprises a storage unit, a communication control unit composed of a network card or a wireless communication module, an input device such as a keyboard or mouse, and an output device such as a monitor.

Each functional element of the computer of the control unit 20 is implemented by causing the processor or main storage unit to read predetermined software and execute the software. The processor operates the communication control unit, the input device, or the output device described above according to the software, and reads and writes data in the main storage unit or the auxiliary storage unit. Data necessary for computer processing are stored in a main memory or an auxiliary memory. The display 31 includes a display of an information terminal such as a personal computer or a notebook computer, and a display of a mobile terminal such as a mobile phone or a tablet.

The control unit 20 controls the ankle temperature data of the ankle M1 measured by the ankle temperature measurement unit 11, the body movement data of the measurement subject M measured by the body movement measurement unit 12, and the temperature measured by the external temperature measurement unit 13. External temperature data is received from the transmitter 14 . The control unit 20 includes, as functional components, for example, a roll-over measurement unit 21 that measures roll-overs, a sleep state estimation unit 22 that estimates a sleep state, a sleep data storage unit 23 that stores sleep state data, and a bed. It has an in-bed evaluation unit 24 that evaluates the internal environment, a device control unit 25 that controls external devices, and a notification unit 26 that notifies various information.

The rollover measurement unit 21 measures the rollover of the measurement subject M based on the body movement of the measurement subject M obtained by the body movement measurement unit 12 . For example, the turnover measurement unit 21 measures the number of times the measurement subject M rolls over when the measurement subject M sleeps. As a specific example, the turnover measurement unit 21 measures the time and number of times the measurement subject M lies on his back, the time and number of times the measurement subject M sleeps on his side, and the time and number of times the measurement subject M lies on his stomach. good too.

The sleep state estimation unit 22 estimates the sleep state of the subject M who is sleeping. For example, the sleep state estimator 22 estimates the sleep state of the person M to be measured from the number of times of tossing and turning measured by the tossing and turning measuring unit 21 and the temperature of the ankle M1 obtained by the ankle temperature measuring unit 11 . As an example, the sleep state estimating unit 22 may estimate that the sleep state of the measurement subject M is good when the number of times of rolling over is equal to or less than a predetermined number of times and the temperature of the ankle M1 is equal to or higher than a predetermined temperature. . In addition, the sleep state estimation unit 22 may derive the estimated sleep state of the measurement subject M as a score, such as how many points out of 100 points.

Further, the sleep state estimation unit 22 may estimate that the sleep state of the measurement subject M is not good when the number of times of rolling over is equal to or greater than a predetermined number of times and the temperature of the ankle M1 is equal to or less than a predetermined temperature. The sleep data storage unit 23 stores, for example, the sleep state data estimated by the sleep state estimation unit 22 in the main storage unit of the control unit 20 .

The in-bed evaluation unit 24 evaluates the environment in the bed where the subject M sleeps. For example, the in-bed evaluation unit 24 determines the temperature of the ankle M1 measured by the ankle temperature measurement unit 11, the body movement of the measurement subject M measured by the body movement measurement unit 12, and the temperature measured by the external temperature measurement unit 13. The bed of the person to be measured M is evaluated from at least one of the temperature in the bed.

As a specific example, the bed interior evaluation unit 24 may evaluate that the bed of the measurement subject M is good when the bed temperature measured by the external temperature measurement unit 13 is equal to or higher than a certain temperature. When the temperature in the bed measured by the temperature measuring unit 13 is not equal to or higher than a certain temperature, it may be evaluated that the bed of the person to be measured M is not good.

Further, the in-bed evaluation unit 24 may evaluate that the bed of the measurement subject M is good when the body movement of the measurement subject M measured by the body movement measurement unit 12 is equal to or less than a certain amount. , it may be evaluated that the bed of the measurement subject M is not good when the body movement of the measurement subject M measured by the body movement measuring unit 12 is greater than a certain amount. In this manner, the type of data used as the basis for evaluation by the in-bed evaluation unit 24 can be changed as appropriate.

The device control section 25 controls the operation of devices external to the ankle band 1 in accordance with the sleep state of the measurement subject M estimated by the sleep state estimation section 22 . As an example, the thermal treatment device 32 may be included in the bedding B, which is the bedding. For example, the device control unit 25 can communicate with a thermal therapy device 32 that performs thermal therapy for the person M to be measured, and controls the operation of the thermal therapy device 32 according to the sleeping state of the person M to be measured. The thermotherapy device 32 includes, for example, a heating element for thermotherapy of the person M to be measured.

As shown in FIGS. 1 and 4, the thermotherapy device 32 is, for example, a sheet-like member arranged above or below the bedding B on which the measurement subject M sleeps, and is included in the bedding B. For example, the person M to be measured wearing the ankle band 1 lies down on the heat treatment device 32 and goes to bed. The thermotherapy device 32 may apply an electric potential to the body of the person M to be measured to perform potential treatment, and may apply heat to the body of the person M to be measured to perform thermotherapy. In this way, the thermotherapy device 32 performs electric potential treatment and thermotherapy on the body of the person to be measured M, thereby making it possible to alleviate insomnia and the like, and to alleviate poor blood circulation and fatigue. becomes possible.

However, for example, when the person M to be measured does not suffer from insomnia or the like and is less fatigued, it may not be necessary to operate the thermotherapy device 32 . Therefore, in the sleep state measurement system 10 according to the present embodiment, the device control section 25 controls the operation of the thermotherapy device 32 according to the sleep state of the person M to be measured. For example, when the sleep state estimation unit 22 estimates that the sleep state of the measurement subject M is not good, the device control unit 25 turns on the switch of the thermal therapy device 32, and the sleep state estimation unit 22 determines that the measurement subject M The heat treatment device 32 may be switched off when it is estimated that the sleep condition of the person is good.

The device control section 25 may also transmit the temperature of the ankle M1 measured by the ankle temperature measuring section 11 to the thermal therapy device 32, for example. The thermotherapy device 32 may adjust the temperature of the heating element according to the temperature of the ankle M1 received from the device control section 25 . As an example, the thermotherapy device 32 may cause the heating element to generate heat when the temperature of the ankle M1 is lower than a predetermined temperature. In this case, when the temperature of the ankle M1 is low, the thermotherapy device 32 can warm the body of the person M to be measured, and it is possible to suppress the peripheral part of the body of the person M to be measured including the ankle M1 from getting cold. Become.

The device control section 25 may operate the air conditioner, for example, when the temperature of the ankle M1 is lower than a predetermined temperature, or when the temperature in the bed measured by the external temperature measuring section 13 is lower than a predetermined temperature. In this way, the conditions under which the device control unit 25 controls the external devices and the types of external devices controlled by the device control unit 25 can be changed as appropriate.

The notification unit 26 notifies, for example, the sleep state of the measurement subject M estimated by the sleep state estimation unit 22 and the in-bed evaluation of the measurement subject M evaluated by the in-bed evaluation unit 24 to the display device 31 . As a result, the subject M or the like who sees the display 31 can grasp the sleep state and the in-bed evaluation. The notification unit 26 may notify a device other than the display device 31 of the sleep state and in-bed evaluation. For example, the sleep state and in-bed evaluation data may be accumulated in a predetermined server. Further, the content notified by the notification unit 26 includes temperature data of the ankle M1, body movement data of the measurement subject M during sleep, temperature data in the bed, or turning over data of the measurement subject M during sleep. and can be changed as appropriate.

Next, an example of the sleep state measuring method according to this embodiment will be described with reference to the flowchart shown in FIG. FIG. 5 shows an example of each step of measuring the sleep state of the measurement subject M using the ankle band 1 and the sleep state measurement system 10 according to this embodiment. First, the measurement subject M wears the ankle band 1 around the ankle M1, and after the measurement subject M goes to bed, sleep state measurement is started.

First, the ankle temperature measurement unit 11 of the ankle band 1 measures the temperature of the ankle M1 of the measurement subject M, and the body movement measurement unit 12 of the ankle band 1 measures the body movement of the measurement subject M (step S1, step of measuring ankle temperature, step of measuring body movement). For example, both the ankle temperature of the ankle M1 measured by the ankle temperature measurement unit 11 and the body movement of the measurement subject M measured by the body movement measurement unit 12 are transmitted by the transmission unit 14 to the control unit 20 in real time.

When the control unit 20 receives the temperature of the ankle M1 and the body movement of the measurement subject M, the sleep state estimation unit 22 determines whether the temperature of the ankle M1 is equal to or higher than a predetermined temperature threshold TH1 (step S2, step of determining ankle temperature). Then, when the sleep state estimating unit 22 determines that the temperature of the ankle M1 is not equal to or higher than the temperature threshold TH1, the notifying unit 26 determines that the measurement subject M is sensitive to cold and the sleep state of the measurement subject M is not good. notifies the display device 31 (step S3, step of notifying that the sleeping state is not good). In addition, the device control unit 25 turns on the switch of the heat therapy device 32 to perform heat therapy on the person to be measured M by the heat therapy device 32 (step S4, step of performing heat therapy).

On the other hand, when the sleep state estimation unit 22 determines that the temperature of the ankle M1 is equal to or higher than the temperature threshold TH1, the process proceeds to step S5. In step S5, the tossing-and-turning measurement unit 21 measures the number of times of tossing and turning from the body movements of the person M to be measured, and the sleep state estimating unit 22 determines whether or not the measured number of times of tossing-and-turning is equal to or greater than a predetermined tossing-and-turning frequency threshold TH2. (Step of measuring and judging the number of rollovers). Then, when the sleep state estimating unit 22 determines that the number of times of tossing and turning is equal to or greater than the threshold TH2 for the number of times of tossing and turning, it is determined that the subject M is lightly asleep, and the process proceeds to steps S3 and S4. The notification unit 26 notifies the display device 31 that the condition is not good, and thermal therapy is performed.

In step S5, when the sleep state estimating unit 22 determines that the number of times of tossing and turning is not equal to or greater than the threshold value TH2 for the number of times of tossing and turning, the notification unit 26 notifies the display device 31 that the sleep state of the person M to be measured is good ( Step S6, the step of notifying that the sleeping state is good). A series of steps is then completed.

Next, the effects obtained from the ankle band 1 and the sleep state measurement system 10 according to this embodiment will be described in detail. For example, as shown in FIG. 1, in the ankle band 1, an ankle temperature measuring portion 11 and a body movement measuring portion 12 are fixed to a base portion 2 made of stretchable fabric. The temperature of the ankle M1 of the person M is measured, and the body movement measuring unit 12 measures the body movement of the person M to be measured.

Therefore, since the ankle temperature measurement unit 11 and the body movement measurement unit 12 are fixed to the base unit 2 made of stretchable fabric, the base unit 2 is wrapped around the ankle M1 of the person to be measured M1. By measuring the temperature and body motion of the ankle M1, the temperature and body motion of the ankle M1 can be measured accurately and with high accuracy. That is, since the temperature and body movement can be measured while the base portion 2 is in close contact with the ankle M1, the temperature and body movement of the ankle M1 can be measured accurately and with high accuracy.

In addition, the transmission unit 14 transmits the information on the temperature and body movement of the ankle M1 to the control unit 20 outside the ankle band 1, and controls the temperature and body movement of the ankle M1 based on the information on the temperature and body movement of the ankle M1 measured accurately and with high precision. By controlling the equipment outside the ankle band 1 by the unit 20 (equipment control unit 25), the body of the measurement subject M can be appropriately warmed. Therefore, since the body of the measurement subject M can be warmed when the body of the measurement subject M is cold, it is possible to make the measurement subject M fall asleep well and suppress insomnia.

As described above, the ankle band 1 may include the elastic wiring 15 that connects the ankle temperature measuring section 11 and the transmitting section 14 to each other and has elasticity. In this case, since the ankle band 1 is provided with the elastic wiring 15, even if the ankle band 1 is worn or washed, the elastic wiring 15 follows the wearing or washing. Disconnection can be suppressed. Also, the elastic wiring 15 may be insulated against water. In this case, since the elastic wiring 15 described above is insulated against water, the elastic wiring 15 can be protected from night sweats and the like.

In the ankle band 1, the body movement measuring section 12 is integrated with the transmitting section 14, and the ankle band 1 includes an elastic wiring 15 that connects the ankle temperature measuring section 11 and the transmitting section 14 to each other and has elasticity. . By integrating the body movement measuring unit 12 and the transmitting unit 14, the structure of the ankle band 1 can be simplified, so that even if the ankle band 1 is wrapped around the ankle M1 during sleep, the ankle band 1 will not sleep. You can suppress the obstruction. In addition, since the ankle temperature measurement unit 11 and the transmission unit 14 are connected to each other via the stretchable wiring 15, the followability of the wiring accompanying the body movement of the person M to be measured can be improved.

The elongation rate of the base portion 2 may be 2% or more. In this case, it is possible to make the base portion 2 easily follow the movement of the ankle M1. Therefore, when the base portion 2 is wrapped around the ankle M1 having many irregularities, the temperature and body movement can be measured more accurately and with high precision.

The base portion 2 may be made of a 2-way fabric that stretches in multiple directions. Since the base portion 2 is a two-way fabric that stretches in a plurality of directions, the followability of the base portion 2 can be further enhanced. Therefore, the temperature and body motion of the ankle M1 can be measured with higher accuracy.

The ankle band 1 may include an external temperature measuring section 13 that measures the temperature of the outside of the ankle band 1 wrapped around the ankle M1 of the person M to be measured. In this case, by measuring the temperature outside the ankle band 1 with the external temperature measurement unit 13, the outside air temperature outside the ankle M1 can be measured. In addition, since it is possible to measure the temperature inside the bed of the bedding B when the person M to be measured lies down on the bedding B, by controlling the device outside the ankle band 1 based on the information on the temperature inside the bed, A more comfortable sleep environment can be provided for the person M to be measured.

The ankle band 1 includes a holding portion 3 that holds the base portion 2 around the ankle M1 of the person to be measured M in a state in which the base portion 2 is wrapped around the ankle M1. You may hold|maintain the base part 2 in the state located in the front side lower part P of. FIGS. 6(a), 6(b), 6(c) and 6(d) show the results of an experiment in which the skin surface temperature of the measurement subject M's ankle M1 was measured. In this experiment, the conditions in which the feet of the person to be measured M were warmed and then cooled in an artificial climate chamber were photographed by thermovideo. , the measurement subject M was seated for 60 minutes in this artificial climate room.

FIG. 6(a) is a front view showing the front side of the ankle M1 before the start of the experiment, FIG. 6(b) is a rear view showing the back side of the ankle M1 before the start of the experiment, and FIG. 6(c) is 60 minutes after the start of the experiment. A front view showing the front side of the ankle M1 after the experiment, and FIG. 6(d) shows a rear view showing the rear side of the ankle M1 after 60 minutes from the start of the experiment. In FIGS. 6(a) to 6(d), a portion closer to white indicates a portion with a higher temperature, and a portion closer to black indicates a portion with a lower temperature.

As shown in FIGS. 6(a) to 6(d), it was confirmed that the toes and ankles M1 of the person to be measured M were more likely to get cold than other parts over time. It turned out to be appropriate to measure the temperature of the ankle M1 with the ankle band 1 because of. Also, as shown in FIG. 6(c), it was found that the temperature of the front lower portion P of the ankle M1 is more likely to drop than the ankle.

As described above, the front lower part P of the ankle M1 is a part that is more likely to get cold than other parts of the foot. It is useful to judge Therefore, by holding the base portion 2 by the holding portion 3 with the ankle temperature measuring portion 11 positioned at the front lower portion P of the ankle M1, it is possible to determine the presence or absence of sensitivity to cold with higher accuracy.

In addition, in the sleep state measurement system 10 according to the present embodiment, the rollover measurement unit 21 measures the rollover of the measurement subject M from the body movement obtained by the ankle band 1, and the temperature and the rollover obtained by the ankle band 1 are measured. The sleeping state estimating unit 22 estimates that the subject M is tossing and turning. In this way, the sleep state estimating unit 22 can estimate the sleeping state of the measurement subject M from the temperature of the ankle M1 and the body movement. information can be obtained.

The sleep state measurement system 10 includes a device control unit 25 that controls the operation of a device external to the ankle band 1 according to the sleep state of the measurement subject M estimated by the sleep state estimation unit 22. The device control unit 25 , can communicate with a thermotherapy device 32 that performs hyperthermia treatment of the person M to be measured, and controls the operation of the thermotherapy device 32 according to the sleep state of the person M to be measured. The device control unit 25 controls the operation of the heat therapy device 32 according to the measured sleep state. Therefore, the device control unit 25 controls the operation of the heat therapy device 32 according to the sleep state obtained from the temperature and body motion of the ankle M1, so that the heat therapy device 32 can be automatically and appropriately operated. . Therefore, it is possible to appropriately perform thermal treatment on the subject M who is sensitive to cold and is sleeping, so that the subject M can be provided with a more comfortable sleep.

The embodiments of the ankle band and sleep state measurement system according to the present invention have been described above. However, the present invention is not limited to the above-described embodiments, and can be modified as appropriate without changing the gist described in each claim. That is, the shape, size, material, number and arrangement of each part of the ankle band, the function of each part of the sleep state measurement system 10, and the content and order of each step of the sleep state measurement method do not deviate from the above gist. It can be changed as appropriate within the range.

For example, in the above-described embodiment, the sleep state measurement system 10 including the device control section 25 that controls the operation of devices external to the ankle band 1 according to the sleep state has been described. However, the sleep state measurement system may include a device control section that controls the movement of the ankle band according to the sleep state. For example, the ankle band has a heating element, and the device control unit controls the heating element of the ankle band according to the sleeping state (eg, the temperature or body movement of the ankle M1), and keeps the ankle warm as necessary. good too.

Further, in the above-described embodiment, the notification unit 26 that notifies the display device 31 of the sleep state of the person M to be measured, the in-bed evaluation, and the like has been described. Here, as a notification method of the notification unit, for example, various methods such as notification by application, notification by e-mail, notification to SNS account, and the like can be mentioned.

Further, in the above-described embodiment, the sleeping state estimating unit 22 that derives the estimated sleeping state of the person to be measured M as a score has been exemplified. However, the mode of deriving the sleep state by the sleep state estimator is not limited to the score, and can be changed as appropriate. For example, the sleep state estimator may derive the sleep state of the measurement subject by rank.

As a specific example, the sleep state estimation unit determines that the temperature of the ankle is equal to or higher than the lower limit temperature threshold (eg, 30° C.) and equal to or lower than the upper limit temperature threshold (eg, 36° C.), and the number of times of tossing and turning is equal to or higher than the lower limit number of times threshold (eg, 20 times) and the upper limit. "A" rank when the number of times threshold (for example, 30 times) or less, "B" rank when the ankle temperature is the lower limit temperature threshold or more and the upper limit temperature threshold or less and the number of times of turning over is greater than the upper limit number of times threshold, ankle "C" rank when the temperature is equal to or higher than the lower limit temperature threshold and equal to or lower than the upper limit temperature threshold and the number of times of turning over is less than the lower limit number threshold, "D" rank when the ankle temperature is higher than the upper limit temperature threshold, and the ankle temperature is higher than the upper limit temperature threshold. An “E” rank may be derived if the temperature is lower than the lower temperature threshold. However, this derivation mode is also an example and can be further modified.

Further, in the above-described embodiment, the ankle band 1 including the external temperature measuring section 13 has been described. However, the ankle band may be provided with an external humidity measuring section for measuring the humidity external to the ankle band. In this case, for example, the external humidity measurement unit can measure the humidity of the bedding in the bed. Therefore, by controlling a device (for example, a humidifier or a dehumidifier) external to the ankle band 1 based on information on the humidity in the bed, dry skin is suppressed and a more comfortable sleeping environment for the measurement subject M is provided. can provide. Thus, the ankle band may measure various external environments (bedding environment).

Further, in the above-described embodiment, an example in which the ankle band 1 includes the holding portion 3 that is the hook-and-loop fasteners 3a and 3b has been described. However, the configuration of the holding portion that holds the base portion to the ankle may be configured by means other than hook-and-loop fasteners, such as buckles or buttons, and can be changed as appropriate. However, when the holding part 3 is the hook-and-loop fastener 3a, 3b, there is an advantage that the hard part of the ankle band 1 is even less likely to come into contact with the body of the person M to be measured. Furthermore, in the above-described embodiment, the pair of anti-slip portions 4 provided along the arcs 1c and 1d of the ankle band 1 has been described. However, the ankle band may have only one of the pair of anti-slip portions, and the number and arrangement of the anti-slip portions can be changed as appropriate.

Further, in the above-described embodiment, the base portion 2 having stretchability has been described. It should be noted that the base portion does not necessarily have to have stretchability at all, and for example, only a portion of the base portion may have stretchability. Furthermore, in the above-described embodiment, the ankle band 1 for measuring the temperature and body movement of the ankle M1 of the measurement subject M lying on the bedding B has been described. However, the ankle band can be used for other than the person to be measured lying on the bedding, such as the ankles of the person to be measured when seated.

DESCRIPTION OF SYMBOLS 1... Ankle band 1a... Front side 1b... Back side 1c, 1d... Arc 1e, 1f... Diameter 2... Base part 3... Holding part 4... Non-slip part 10... Sleep state measuring system 11... Ankle temperature measurement unit 12 Body movement measurement unit 13 External temperature measurement unit 14 Transmission unit 15 Elastic wiring 16 Case 17 Case mounting unit 20 Control unit 21 Turn over Measurement unit 22 Sleep state estimation unit 23 Sleep data storage unit 24 In-bed evaluation unit 25 Device control unit 26 Notification unit 31 Display device 32 Thermotherapy device B Bedding D1...Longitudinal direction, D2...Width direction, M...Person to be measured, M1...Ankle, P...Front lower part.

Claims (7)

An ankle band that is wrapped around the ankle of a person to be measured,
A base part made of stretchable fabric,
an ankle temperature measuring part fixed to the base part and measuring the temperature of the ankle;
a body movement measuring unit that is fixed to the base unit and measures the body movement of the person to be measured;
a transmission unit configured to transmit the temperature of the ankle measured by the ankle temperature measurement unit and the body movement of the subject measured by the body movement measurement unit to the outside of the ankle band;
with
The ankle band has an annular sector shape, and includes a pair of arcs extending in the circumferential direction and aligned in the radial direction, and a pair of arcs extending in the radial direction between the ends of the pair of arcs. having a diameter of
An anti-slip portion that suppresses slippage of the base portion wrapped around the ankle,
The non-slip portion is provided along each of the arc on one side and the arc on the other side of the ankle band. cage,
one said arc length is longer than the other said arc length,
A plurality of the ankle temperature measurement units are provided,
The ankle temperature measurement unit arranged on one arc side measures the temperature of the front upper part of the ankle,
The ankle temperature measuring unit located on the other arc side measures the temperature of the front lower part of the ankle.
ankle band. An elastic wiring that connects the ankle temperature measurement unit and the transmission unit to each other and has elasticity,
Ankle band according to claim 1. The elastic wiring is insulated against water,
3. An ankle band according to claim 2. An external temperature measuring unit that measures the temperature of the outside of the ankle band wrapped around the ankle of the measurement subject,
Ankle band according to any one of claims 1-3. a holding portion that holds the base portion on the ankle while the base portion is wrapped around the ankle of the person to be measured;
The holding part holds the base part with the ankle temperature measuring part positioned at the front lower part of the ankle.
Ankle band according to any one of claims 1-4. A sleep state measurement system comprising the ankle band according to any one of claims 1 to 5,
a turnover measurement unit that measures the turnover of the measurement subject from the body movement of the measurement subject measured by the body movement measurement unit;
a sleep state estimating unit for estimating the sleeping state of the measurement subject from the measurement subject's turnover measured by the rolling measurement unit and the ankle temperature measured by the ankle temperature measurement unit;
A sleep state measurement system comprising: A device control unit that controls the operation of a device external to the ankle band according to the sleep state of the measurement subject estimated by the sleep state estimation unit,
The device control unit is capable of communicating with a thermal therapy device that performs thermal therapy of the measurement subject, and controls the operation of the thermal therapy device according to the sleep state of the measurement subject.
The sleep state measurement system according to claim 6.

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