JP2004057505A - Pillow device and bedding device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve such inconvenient problems that a conventional pillow is troublesome because inflation by blowing air or release of air by pressing or a similar work is necessary to raise or lower the height for adjusting the height and that a user has to raise himself/herself from the bed for adjusting the height. <P>SOLUTION: The pillow device is equipped with a pillow body 40 having an expansible and contractible bag 44 and a charge/exhaust device 51 for charging and exhausting the air to and from the bag 44. The height of the pillow body 40 is adjusted by charging and exhausting the air to and from the bag 44 by the charge and exhaust device 51. The height adjustment of the pillow body 40 can be easily carried out since the charge and exhaust device 51 charges and exhausts fluid to and from the bag 44. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a pillow device and a bedding device provided with the pillow device.
[0002]
[Prior art]
If the height of the head is inappropriate during sleep, there is a risk that the sleep may become shallow, the neck may be hurt, or blood may flow on the head. Therefore, in recent years, there has been an increasing demand for a pillow that can hold the head at an appropriate height.
[0003]
However, there is an individual difference in an appropriate head height at the time of sleep, and it is difficult to keep a head height suitable for an individual with a pillow of the same shape. In order to improve this, conventionally, measures such as individually designing a pillow for a specific user have been taken.
[0004]
Further, the appropriate head height during sleep also differs depending on the posture during sleep, that is, the sleeping posture. As described above, when designing a pillow individually for a specific user, in general, in order to design a pillow for the chin, use a pillow designed for the chin for the chin. When sleeping in a sleeping state, the height of the head cannot be maintained properly.
[0005]
Therefore, conventionally, a pillow in which an inflatable air bag is built in the pillow and the height of the pillow is adjusted to a desired height by inflating the air bag has been proposed.
[0006]
[Problems to be solved by the invention]
However, with conventional pillows, in order to adjust the height, it is necessary to increase the height by blowing air in itself, or to reduce the height by bleeding air by compressing from the outside. It is. In addition, in order to adjust the height, it is necessary to raise the body from the lying state, which is not convenient.
[0007]
An object of the present invention is to provide an easy-to-use pillow device and a bedding device provided with the pillow device.
[0008]
[Means for Solving the Problems]
In order to solve the above problem, the pillow device according to the first aspect of the present invention uses a supply / discharge device to change the amount of fluid supplied into an inflatable bag provided on the pillow main body, thereby increasing the degree of inflation of the bag. To adjust the height of the pillow body.
[0009]
According to the pillow device of the present invention, since the supply / discharge device supplies / discharges the fluid into / from the bag, it is easy to adjust the height of the pillow body.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
[0011]
The bedding device 1 according to the present embodiment also has, for example, a massage function, and as shown in FIG. 1, a bedding main body 2, sensors 3 to 6 for detecting a sleeping form, massage bags 7 to 9, The pillow device 10 includes a pillow body 40 and a driving device 50 described below, and an operation unit 11.
[0012]
As shown in FIG. 2, the bedding main body 2 includes an outer cover 20, a middle bag 21, a middle core 22, and the like. The outer cover 20 and the inner bag 21 are each formed of, for example, cotton, chemical fiber, or the like. The core portion 22 is formed of a material having elasticity such as low rebound urethane. In the outer cover 20 and the inner bag 21, a plurality of air supply pipes 7a to 9a respectively connecting the massage bags 7 to 9 and the supply / discharge device 51 provided in the driving device 50 are extended outside, and the sensors 3 to A through-hole is provided for extending a cord 70, which is a bundle of a plurality of electric wires, each of which electrically connects the bed 6 and the sleeping form determination unit 58 provided in the driving device 50 to the outside.
[0013]
The bedding main body 2 is formed by accommodating the core 22 in the inner bag 21 and accommodating the inner bag 21 accommodating the core 22 in the outer cover 20. The outer cover 20 may be provided with a fastener (not shown) or the like at one end thereof so that the inner bag 21 can be housed in a removable manner. Further, the outer cover 20 may be omitted.
[0014]
The sensors 3 to 6 are for sensing a sleeping state of the user on the bedding main body 2, and at least one, preferably a plurality of sensors are provided on the bedding main body 2. In this bedding apparatus 1, as shown in FIG. 1, the bedding main body 2 is placed in correspondence with the positions of the back, right shoulder, left shoulder, and buttocks of the user lying on the bedding main body 2. , For example, four on the upper surface of the core portion 22.
[0015]
Of the plurality of sensors 3 to 6, the back sensor 3, the right shoulder sensor 4, and the left shoulder sensor 5 may be located at the back, right shoulder, and left shoulder of the human body. Sensors capable of sensing whether or not pressure is exerted from the sensor can be used. That is, the back part 3, right shoulder part, and left shoulder part of the user lying on the bedding main body 2 by the back part sensor 3, the right shoulder part sensor 4, and the left shoulder part sensor 5 It is sensed whether the sensor is located above the back sensor 3, the right shoulder sensor 4, and the left shoulder sensor 5, respectively.
[0016]
As a sensor capable of detecting whether or not pressure is applied from above by a human body, for example, a switch that closes an electric circuit when a predetermined pressure or more is applied can be used. In the bedding device 1, the back sensor 3, the right shoulder sensor 4, and the left shoulder sensor 5, for example, are thin and include a switch unit 30, a switch support unit 31, and a terminal unit 32. A normally open switch is used. FIG. 2B shows the back sensor 3 as a representative.
[0017]
The switch section 30 is formed by stacking an insulating thin film 30a and a conductive thin film 30b, and is supported by a switch support section 31 made of an insulating member. The switch support portion 31 has a hole 32a formed therein. The switch portion 30 and the terminal portion are arranged such that the conductive thin film 30b side of the switch portion 30 and the upper side of the terminal portion 32 face each other through the hole 32a. 32 are arranged. As the conductive thin film 30b and the terminal part 32 of the switch part 30, a metal film or a carbon film can be used. The conductive thin film 30b of the switch unit 30 and the terminal unit 32 are each electrically connected to a sleeping state determination unit 58 provided in the driving device 50 via electric wires.
[0018]
When pressure is applied from above, the sensors 3 to 5 are recessed as shown by a two-dot chain line in FIG. 2B, and the conductive thin film 30b contacts the terminal 32 to form a closed circuit. As a result, electricity flows to the sleeping form determination unit 58. When the human body is separated from these sensors, the switch section 30 returns to its original state due to elasticity, and the conductive thin film 30b and the terminal section 32 are separated to form an open circuit. By providing such a thin switch as the sensors 3 to 5, it is possible to reduce a sense of discomfort when a human body comes into contact with the sensors 3 to 5.
[0019]
Among the plurality of sensors 3 to 6, the buttocks sensor 6 is provided with, for example, a pressure sensor including a strain gauge or a piezoelectric element. The buttocks sensor 6 is electrically connected to the sleeping form determination unit 58 provided in the driving device 50 via an electric wire, and the amount of change in physical properties caused by the distortion (for a strain gauge, the resistance value due to the piezoresistance effect). The pressure is sensed based on the amount of change and, for a piezoelectric element, the amount of change in electrical polarization due to the piezoelectric effect.
[0020]
By the way, when the user turns on the futon main body 2, the buttocks come into contact with the buttocks sensor 6 and pressure is applied from above. On the other hand, when the user lies prone on the bedding main body 2, the lower abdomen contacts the buttocks sensor 6, and pressure is applied from above. In general, since the buttocks protrude from the lower abdomen, a greater pressure is applied to the buttocks sensor 6 when the buttocks come into contact as compared to when the lower abdomen makes contact. Therefore, if a pressure sensor is used as the buttocks sensor 6, it is possible to determine whether the buttocks are in contact and the lower abdomen is in contact.
[0021]
As shown in FIGS. 1 and 2, the inflatable massage bags 7 to 9 are arranged inside the bedding main body, for example, on the upper surface of the core portion 22 so as not to overlap with the plurality of sensors 3 to 6. ing. In the bedding device 1, the massage bags 7 to 9 are arranged so as to correspond to the positions of the user lying down on the bedding main body, for example, the waist, the thighs, and the legs. , A thigh bag 8 and a leg bag 9. These massage bags 7 to 9 communicate with the supply / discharge device 51 via air supply pipes 7a to 9a, respectively, and the supply / discharge device 51 supplies and discharges air to expand and contract.
[0022]
The pillow device 10 includes a pillow body 40, a driving device 50, and the like.
[0023]
As shown in FIG. 2, the pillow body 40 includes an outer cover 41, a middle bag 42, a middle core 43, a pillow bag 44 that can be expanded and contracted, and the like.
[0024]
The outer cover 41 and the inner bag 42 are each formed of, for example, cotton, chemical fiber, or the like. The core portion 43 is formed of a material having elasticity, such as low-rebound urethane. The inflatable pillow bag 44 communicates with a supply / discharge device 51 via an air supply pipe 44a, and the supply / discharge device 51 supplies / discharges air to expand / contract. The outer cover 41 and the middle bag 42 are provided with through holes for extending an air supply pipe 44a that connects the pillow bag 44 and the supply / discharge device 51 provided in the drive device 50 to the outside.
[0025]
The pillow body 40 is, for example, stacked with the center portion 43 on the upper side on the user side and the pillow bag 44 on the lower side and accommodated in the middle bag 42, and the center portion 43 and the pillow bag 44. Is formed by housing the inner bag 42 containing the inside of the outer cover 41. The outer cover 41 may be provided with a fastener (not shown) or the like at one end thereof so that the inner bag 42 can be inserted and removed. Further, the outer cover 41 may be omitted.
[0026]
As shown in FIG. 3, the driving device 50 includes a supply / discharge device 51, a sleeping state determination unit 58, a storage unit 59, a control unit 60, and the like.
[0027]
The supply / discharge device 51 supplies / discharges air to / from the pillow bag 44 and the massage bags 7 to 9, and as shown in FIG. 3, an air compressor 52, an air distributor 53, a plurality of pressure regulating valves 54 to 57 and the like.
[0028]
As the air compressor 52 that generates compressed air, for example, a diaphragm type that is electromagnetically driven is employed. The air compressor 52 is connected to the control unit 60, and the operation of the air compressor 52 is controlled by the control unit 60. The discharge port of the air compressor 52 communicates with the air distributor 53 via an air supply pipe.
[0029]
The air distributor 53 is, for example, a rotary type. The air distributor 53 has an air supply port communicating with the air compressor 52, a plurality of distribution ports individually corresponding to the bags 7 to 9, 44, and an exhaust port. Have.
[0030]
Depending on the position of the distribution valve rotated by the motor drive, the air distributor 53 sets the distribution port at a position corresponding to any one of the bags 7 to 9 and 44 requiring air supply to the air supply port. At the same time as selectively communicating, another distribution port is connected to the exhaust port. The air distributor 53 is connected to a control unit 60, and the control unit 60 controls the air supply / discharge operation.
[0031]
Bags 7 to 9 and 44 corresponding to the respective distribution ports of the air distributor 53 are individually communicated via air supply pipes 7a to 9a and 44, respectively. A pressure adjusting valve 54 for adjusting the pressure of the air discharged from the air distributor 53 is provided in the air supply pipes 7a to 9a and 44a which communicate the respective distribution ports of the air distributor 53 with the respective bags 7 to 9 and 44. To 57 are provided respectively. Each of these pressure regulating valves 54 to 57 is connected to a control unit 60, and the degree of opening is controlled by the control unit 60. The opening and closing of the pressure regulating valves 54 to 57 and the degree of opening thereof are determined by information input to the operation unit 11 or the sizes of the bags 7 to 9 and 44 that require air supply. The operation unit 11 will be described later. Note that, instead of the pressure adjusting valves 54 to 57, an electromagnetic valve, a cock, or the like may be provided to adjust the amount of air supplied into the bags 7 to 9, 44.
[0032]
The sleeping form determination unit 58 is electrically connected to the plurality of sensors 3 to 6 and the control unit 60. The sleeping shape determination unit 58 determines the sleeping shape of the user on the bedding main body 2 based on the sleeping shape information sensed by the sensors 3 to 6 and transmits the determined sleeping shape to the control unit 60. That is, pressure is applied to the back sensor 3, the right shoulder sensor 4, and the left shoulder sensor 5 from above, and a pressure corresponding to the case where the buttocks come into contact with the buttocks sensor 6 is applied. In this case, the sleeping shape determination unit 58 determines that the user is facing the user. In addition, pressure is applied to the back sensor 3, the right shoulder sensor 4, and the left shoulder sensor 5 from above, respectively, and a pressure corresponding to the case where the lower abdomen contacts the buttocks sensor 6 is applied. If so, the sleeping form determination unit 58 determines that the user is prone. Further, when pressure is not applied to the right shoulder sensor 4 and the left shoulder sensor 5 from above, respectively, the sleeping form determination unit 58 determines that the user is in a horizontal position.
[0033]
The storage unit 59 can store a plurality of pieces of desired air amount information to be supplied into the pillow bag 44. The air amount information to be stored in the storage unit 59 may be determined according to the personal preference of each user.
[0034]
In addition, by storing information on the amount of air to be supplied into the pillow bag 44 in accordance with the sleeping state of the user in the storage unit 59, the height of the pillow body 40 during sleep can be reduced as described later. You can change it automatically depending on your sleeping style. In that case, the air amount l ₁ (cm ² ) in the case of the head is l ₁ = a (a> 0) (1)
The air volume l ₂ (cm ² ) in the case of prone
l ₂ = (ab) (b> 0) (2)
When the air volume l ₃ (cm ² ) in the horizontal direction is
l ₃ = (a + c) (c> 0) (3)
It is preferable that the information be stored such that That is, the height of the pillow body 40 is lower than the height of the pillow body 40 when the pillow is facing down, and the height of the pillow body 40 when the pillow is facing sideways. It is preferable to set the height higher than the height.
[0035]
As described above, the control unit 60 composed of a microcomputer is provided so as to be connected to the air compressor 52, the air distributor 53, each of the pressure regulating valves 54 to 57, the sleeping state determination unit 58, and the storage unit 59, respectively. I have. As shown in FIG. 1, when an operation unit 11 described later is wired, the control unit 60, which is also connected to the operation unit 11, controls the information input to the operation unit 11 or the sleeping form determination unit 58. The air compressor 52, the air distributor 53, and each of the pressure regulating valves 54 to 57 are controlled in accordance with the sleeping posture information output from.
[0036]
In the bedding device 1, the sleeping form determination unit 58 and the storage unit 59 are each configured differently from the control unit 60, but the sleeping state determination unit 58 and the storage unit 59 are each a part of the control unit 60. It may be.
[0037]
The operation unit 11 instructs the control unit 60 to perform various operations. In FIG. 1, the operation unit 11 is connected to the control unit 60 by wire, but may be configured to wirelessly instruct the control unit 60 to operate using, for example, infrared rays.
[0038]
The operation unit 11 includes, for example, a power button for driving and stopping the driving device 50, a storage button for storing the amount of air supplied into the pillow bag 44 in the storage unit 59, and a usage sensed by the plurality of sensors 3 to 6. Various buttons such as a pillow height automatic adjustment button for starting and ending the automatic operation to be supplied into the pillow bag 44 in accordance with the sleeping posture of the person, a massage position selection button for selecting the massage bags 7 to 9 for expansion and contraction, and the like. An operation button 11a is provided.
[0039]
In the bedding device 1 having the above configuration, the height of the pillow body 40 is automatically adjusted as follows. First, the driver 50 is driven by pressing the power button of the operation unit 11. The storage button is pressed to store the desired height of the pillow body 40 in the head-turned, prone, and lying-down postures, respectively. The operation of driving the driving device 50 and the operation of storing the height of the pillow main body 40 at a desired height are performed by operating the operation unit 11 even when the user lays down on the bedding main body 2. be able to. Further, the information once stored is kept stored in the storage unit 59 unless changed or reset.
[0040]
Pressing the pillow height automatic adjustment button starts automatic pillow height adjustment. For example, pressure is applied to the back sensor 3, the right shoulder sensor 4, and the left shoulder sensor 5 from above, and a pressure corresponding to the case where the buttocks come into contact with the buttocks sensor 6 is applied. In this case, the sleeping state determination unit 58 determines that the user is facing the back. The sleeping shape information sensed by the sensors 3 to 6 and determined by the sleeping shape determining unit 58 is transmitted to the control unit 60, and the control unit 60 controls the supply / discharge device 51, so that the sleeping state of the user, that is, A corresponding amount of air is exhausted to the pillow bag 44. Thereby, the height of the pillow body 40 is automatically adjusted.
[0041]
Further, when the user is turning over, for example, pressure is applied to the back sensor 3, the right shoulder sensor 4, and the left shoulder sensor 5 from above, and the lower abdomen contacts the buttocks sensor 6. If the pressure changes to a state in which the pressure is applied, the sleeping state determination unit 58 determines that the user is prone. The sleeping shape information sensed by the sensors 3 to 6 and determined by the sleeping shape determining unit 58 is transmitted to the control unit 60, and the control unit 60 controls the supply / discharge device 51 to supply / discharge air to / from the pillow bag 44. . Thereby, the height of the pillow main body 40 is automatically adjusted to the sleeping state of the user, that is, the height corresponding to the prone position.
[0042]
To end the automatic adjustment of the height of the pillow body 40, the power button of the operation unit 11 is pressed to stop the driving of the supply / discharge device 51, or the automatic adjustment button of the pillow height is pressed to adjust the height of the pillow body 40. End the automatic adjustment of the height. Even if the power button or the automatic pillow height adjustment button is pressed, the stored pillow height information is kept stored in the storage unit 59.
[0043]
Further, in the bedding device 1 having the above configuration, it can be used as a massage machine when in the awake state. For example, when it is desired to massage the waist, the massage position selection button is pressed to select the waist. As a result, the waist bag 7 expands and contracts, and massage to the waist is started. That is, when air is supplied from the supply / discharge device 51 to the waist bag 7 and the waist bag 7 is inflated, the waist is compressed by the expanded waist bag 7. Thereafter, the compressed waist is relaxed as the air in the waist bag 7 is exhausted. The same is true when it is desired to massage a thigh or a leg. In the bedding device 1, each part is massaged by the compression / relaxation.
[0044]
When the user wants to end the massage, the user pushes the power button of the operation unit 11 to stop driving the supply / discharge device 51. In addition, the information of the massage bags 7 to 9 selected at the end of the massage is reset and returned to the initial setting.
[0045]
As described above, according to this pillow device 10, the amount of air supplied into the inflatable and contractible pillow bag 44 provided in the pillow body 40 by the supply / discharge device 51 is changed, and the pillow bag 44 is inflated. Since the height of the pillow body 40 is adjusted by changing the degree, the height adjustment of the pillow body 40 is easy.
[0046]
Further, according to the pillow device 10, the control unit 60 controls the supply / discharge device 51 based on the air amount information stored in the storage unit 59, and stores the amount of air stored in the storage unit 59 into the pillow bag 44. In order to adjust the height of the pillow main body 40 by supplying and discharging, once the height of the pillow main body 40 is adjusted to a desired height, the height of the pillow main body 44 can always be reproduced to the same height.
[0047]
Further, the bedding apparatus 1 includes sensors 3 to 6 for sensing the sleeping state of the user on the bedding main body 2 and stores the air amount information supplied from the storage unit 59 into the pillow bag 44 to the user. The control unit 60 controls the supply / discharge device 51 based on the air amount information in the storage unit 59 corresponding to the user's sleeping shape information detected by the sensors 3 to 6 and corresponding to the sleeping shape of the user. The height of the pillow body 40 is adjusted. Therefore, even during sleep, the height of the pillow main body 40 can be automatically adjusted in accordance with the sleeping state of the user.
[0048]
Further, in the bedding device 1, the massage bags 7 to 9 can be driven by a common drive source (drive device 50) with the pillow bag 44 for adjusting the height of the pillow body 40. Therefore, in the bedding device 1, there is no need to provide a separate drive source for driving the massage bags 7 to 9, and the addition of the massage function can be realized with a simple configuration and at low cost.
[0049]
In addition, various settings such as driving of the driving device 50, work of storing the height of the pillow body 40 at a desired height, start and end of automatic adjustment of the height of the pillow body 40, and start and end of the massage operation Can be performed by operating the operation unit 11. Therefore, these various settings do not need to be lifted, and can be performed in a posture lying on the futon main body 2, which is convenient.
[0050]
In this bedding device 1, three massage bags 7-9 are provided corresponding to the waist, thighs, and legs, but the location of the massage bags 7-9 is determined by sensors 3-6. Any position may be used as long as the position does not overlap in the width direction of the futon main body 2, and the number may be any number. The massage bags 7 to 9 may be omitted.
[0051]
In the pillow device 40 provided in the bedding device 1, the control unit 60 controls the supply / discharge device 51 based on the air amount information stored in the storage unit 59, and uses the amount of air stored in the storage unit 59 for the pillow device. Although the height of the pillow body 40 is adjusted by supplying and discharging the bag 44, the amount of air to be supplied and discharged to and from the pillow bag 44 is instructed by the operation unit 11 and the like to the supply / discharge device 51 and the pillow. The height of the main body 40 may be adjusted. In that case, the sensors 3 to 6, the storage unit 59, and the control unit 60 can be omitted.
[0052]
Furthermore, in this bedding device 1, air is used for expansion and contraction of the pillow bag 44 and the massage bags 7 to 9. However, the expansion and contraction of the pillow bag 44 and the massage bags 7 to 9 are not limited to air. Fluids can be widely used. When a liquid is used, as the supply / discharge device 51, a distribution port at a position corresponding to any one of the pumps for transporting the fluid and the bags 7 to 9, and 44 requiring the supply of the fluid is selected as the supply port. A fluid distributor for simultaneously communicating the other distribution ports with the discharge ports, a regulating unit such as a valve or a cock for regulating the amount of liquid supplied to the air bladders 7 to 9 and 44, and a fluid reservoir. What is necessary is just to comprise with the reservoir tank etc. which store.
[0053]
Further, the back sensor 3, the right shoulder sensor 4, and the left shoulder sensor 5 are not limited to the thin switches described above, and may be, for example, an air switch or the like that closes an electric circuit by air pressure. Good. The sensor 3 for the back, the sensor 4 for the right shoulder, and the sensor 5 for the left shoulder may not be a switch but may be, for example, a pressure sensor including a strain gauge or a piezoelectric element. As the back sensor 3, the right shoulder sensor 4, and the left shoulder sensor 5, a temperature sensor or the like for sensing a temperature may be used.
[0054]
Furthermore, the location, number, and type of sensors are not limited to this embodiment, and it is sufficient that at least one sensor is provided on the futon main body 2. However, in order for the sleeping shape determination unit 58 to determine an accurate sleeping shape, it is preferable that the number of sensors be large.
[0055]
【The invention's effect】
According to the present invention, an easy-to-use pillow device and a bedding device provided with the pillow device are obtained.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a bedding device according to an embodiment of the present invention.
FIG. 2A is a sectional view taken along line XX in FIG. (B) is sectional drawing which shows the vicinity of the sensor for the back part with which the bedding apparatus of FIG. 1 is provided.
FIG. 3 is a block diagram showing a control system for supplying and discharging air of the bedding apparatus shown in FIG. 1;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Bedding apparatus 2 ... Bedding body 3 ... Back sensor 4 ... Right shoulder sensor 5 ... Left shoulder sensor 6 ... Butt sensor 10 ... Pillow device 40 ... Pillow body 44 ... Bag 51 ... Supply / discharge device 59: storage unit 60: control unit

Claims (3)

A pillow main body having an inflatable bag, and a supply / discharge device that supplies and discharges fluid to and from the bag and maintains a supply state to the bag, and supplies the inside of the bag by the supply / discharge device. A pillow device for adjusting the height of the pillow body by changing the amount of fluid to be applied and changing the degree of expansion of the bag. A storage unit that stores flow rate information of the fluid supplied into the bag, and a control unit that controls the supply / discharge device based on the flow rate information stored in the storage unit, and is stored in the storage unit. The pillow device according to claim 1, wherein the height of the pillow main body is adjusted by supplying and discharging a predetermined amount of fluid to and from the bag. A pillow device according to claim 2,
A bedding body used together with the pillow body of the pillow device,
A sensor that is provided on the bedding body and detects a sleeping state of the user on the bedding body.
The storage unit of the pillow device is capable of storing flow rate information of a fluid supplied into the bag in association with the sleeping posture of the user, and the control unit of the pillow device is configured to detect the user detected by the sensor. A bedding device that controls the height of the pillow body by controlling the supply / discharge device based on the flow rate information in the storage unit corresponding to the sleeping form information of the bedding.

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