JP2022009237A - Sleep state determination device or the like - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sleep state evaluation device or the like for objectively detecting a sleep state of a sleeping person (measured person) in a simple method so as to evaluate quality of the sleep of the measured person from a sleep state.

SOLUTION: A sleep state evaluation device includes: sleep state preservation means for preserving a sleep state indicating one of at least three states that are bed-leaving, sleeping, and awakening as states of a measured person; calculation means for calculating a daytime on-bed time and a daytime sleep time on the basis of a preserved sleep state; and evaluation means for evaluating quality of the sleep of the measured person on the basis of the daytime on-bed time and the daytime sleep time.

SELECTED DRAWING: Figure 4

COPYRIGHT: (C)2022,JPO&INPIT

Description

The present invention relates to a sleep state determination device.

Conventionally, various methods for determining the sleep state of a person to be measured have been known for health management of the person to be measured (measured person) and the like. As typical methods, polysomnography (PSG), actigraph (Actigraph) and the like are known.

As an example, Patent Document 1 is disclosed, for example, as a method for determining the sleep state of a subject in real time. That is, the body movement (body movement) of the subject is detected, and if the body movement level exceeds the determination threshold value within the predetermined detection time, the sleep state is determined as "awakening", and if it is less than that. Is judged to be "sleep".

A device for evaluating the sleep of a sleeping person by using such a technique is known. For example, a technique for giving advice on health management related to sleep is known from information on the sleep state and the life rhythm input by the person (see, for example, Patent Document 2).

Japanese Unexamined Patent Publication No. 2008-142238 Japanese Unexamined Patent Publication No. 2008-071263

However, as described above, for example, in the method in which the user (sleeping person) self-reports the life rhythm and measures the life rhythm based on the self-report, there is a problem that it takes time and effort for the user to answer. Further, in the case of self-reporting, since the objective life rhythm is not determined, there is a problem that an appropriate sleep state cannot always be evaluated.

In particular, when trying to objectively evaluate the daily life rhythm and sleep state, the wearable posture detection means has to be used in the past, and the user must always wear the posture detection means during the evaluation. did not become.

Also, if you are wearing a posture detection means, you will be wearing it all day, so even if you lie down outside the bed, it will be detected that you have fallen asleep, and important information about where you lay down is missing. There was a problem that it would be done.

In view of the above-mentioned problems, an object of the present invention is a sleep state evaluation in which the sleep state of a sleeping person (measured person) is objectively detected and the sleep quality of the measured person is evaluated from the sleep state by a simple method. To provide the device.

In order to solve the above-mentioned problems, the sleep state evaluation device of the present invention comprises a calculation means for calculating the sleep time during the day based on the sleep state indicating sleep or awakening, at least as the state of the person to be measured. It is characterized by comprising an evaluation means for evaluating the night sleep quality of the subject based on the sleep time during the day.

At least, the person to be measured has a sleeping state indicating one of three states of getting out of bed, sleeping, and awakening, and based on the stored sleeping state, the sleeping time during the day and the sleeping time during the day. And can be calculated to evaluate the sleep quality of the subject based on the time spent in bed during the day and the time spent sleeping during the day.

It is a figure which shows the appearance of the sleep state evaluation device and the sleep state determination device in this embodiment. It is a figure which shows the appearance of the sleep state evaluation device and the sleep state determination device in this embodiment. It is a figure which shows the functional structure of the sleep state determination apparatus in this embodiment. It is a figure which shows the functional structure of the sleep state evaluation apparatus in this embodiment. It is a figure for demonstrating the data structure of the sleep state history information in this embodiment. It is a figure for demonstrating the data structure of the sleep state table in this embodiment. It is a figure for demonstrating the data structure of the advice table in this embodiment. It is a figure for demonstrating the data structure of the evaluation table in this embodiment. It is an operation flow for demonstrating the operation of the main process in this embodiment. It is an operation flow for demonstrating the operation of the sleep state evaluation process in this embodiment. It is an operation flow for demonstrating the operation of the night sleep time evaluation process in this embodiment. It is an operation flow for explaining the operation of the life rhythm evaluation process in this embodiment. It is an operation flow for explaining the operation of the evaluation report output processing in this embodiment. It is a figure which showed an example of the evaluation report in this embodiment.

Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings.
[1. System appearance]
FIG. 1 is a diagram for explaining how to use the sleep state evaluation device 1. The sleep state evaluation device 1 is an information processing device (for example, a computer or the like) having a function of evaluating a sleep state by receiving a sleep state from the sleep state determination device 2.

Further, the sleep state determination device 2 is placed between the floor of the bed 10 and the mattress 20. When the person to be measured (for example, a sleeping person) P is in bed on the mattress 20, the sleep state determination device 2 detects the body movement (vibration) of the person to be measured P via the mattress 20. Then, based on the detected vibration, it is determined whether the person is out of bed or in bed, and if it is determined to be in bed, the amount of activity is calculated, and the sleep state is determined based on the amount of activity. Then, the determined sleep state is transmitted to the sleep state evaluation device 1 via radio. The sleep state evaluation device 1 can evaluate the sleep state of the person to be measured P.

Here, the sleep state determination device 2 is configured in a sheet shape so as to be thin. As a result, even if it is placed between the bed 10 and the mattress 20, it can be used without causing the subject P to feel a sense of discomfort.

FIG. 2 is a diagram for explaining the outline of the sleep state evaluation system 9 to which the present invention is applied. As described with reference to FIG. 1, in the present embodiment, the sleep state evaluation device 1 and the sleep state determination device 2 are connected via radio. For example, it is connected by wireless communication or wire communication such as IEEE802.11b, Bluetooth (registered trademark) and ZigBee (registered trademark). Further, by incorporating a mobile phone module, it may be connected via a network such as a mobile phone network. Further, the sleep state evaluation device 1 may acquire the sleep state via a recording medium (for example, an SD card or the like) without directly communicating with the sleep state determination device 2.

The sleep state determination device 2 includes a main body unit 50 and a measurement unit 60. Here, the measuring unit 60 can be folded. This improves the portability of the sleep state determination device 2.

Further, the communication unit 230 is built in the main body unit 50. The details of the communication unit 230 will be described later, but various data and states will be transmitted to the sleep state evaluation device 1 via the communication unit 230. Further, the measurement unit 60 is provided with a vibration detection unit 210.

The sleep state evaluation device 1 will be described using a computer in the present embodiment, but if it is an information processing device such as a mobile terminal device such as a mobile phone or a smartphone, a liquid crystal television to which a processing device is connected, or the like. good.

[2. Function configuration]
Subsequently, the mechanical configuration of the sleep state evaluation device 1 and the sleep state determination device 2 will be described with reference to the drawings.

[2.1 Sleep state determination device]
First, the sleep state determination device 2 for determining the sleep state received by the sleep state evaluation device 1 will be described. In the sleep state determination device 2, the vibration detection unit 210, the storage unit 220, the communication unit 230, and the activity amount calculation unit 240 are connected to the control unit 200 via a bus.

The control unit 200 is a functional unit for controlling the operation of the sleep state determination device 2, and is composed of a control circuit necessary for the sleep state determination device 2 such as a CPU. The control unit 200 realizes various processes by reading and executing various programs stored in the storage unit 220.

The vibration detection unit 210 is a sensor unit for detecting the vibration of the person to be measured. The vibration detection unit 210 may, for example, detect the vibration (body movement) of the person to be measured by the pressure sensor, or may detect the load (body movement) of the person to be measured by the load sensor. By providing a microphone, vibration (body movement) may be detected based on the sound picked up by the microphone.

The storage unit 220 is a functional unit that stores various data and programs for operating the sleep state determination device 2. The control unit 200 realizes various functions by reading and executing the program stored in the storage unit 220. Here, the storage unit 220 is configured by, for example, a semiconductor memory or the like.

Further, an external recording medium may be further connected to the storage unit 220. That is, the sleep state determined by the sleep state determination unit 250, which will be described later, is recorded on the recording medium.

The communication unit 230 is a functional unit for transmitting and receiving data to and from the sleep state evaluation device 1 connected via a network. As an example of the communication unit 230, for example, a wired connection, a Bluetooth communication unit, a wireless device such as a wireless LAN adapter, or the like is used.

The activity amount calculation unit 240 is a functional unit for calculating the activity amount of the person to be measured from the vibration detected by the vibration detection unit 210. Here, there are various methods for calculating the activity amount. For example, in the vibration detection unit 210, the number of vibrations detected per sampling unit time is calculated as the activity amount, or in the vibration detection unit 210. The strength of the detected vibration may be calculated as the amount of activity.

Further, as the activity amount to be output by the activity amount calculation unit 240, for example, the output value to be output may be output as the activity amount as it is, or the change amount of the output value and the change amount of the output value or the output value are predetermined. You may output whether or not the threshold value has been exceeded (for example, "1" if it exceeds the threshold value, "0" if it exceeds the threshold value), or whether or not the output value has changed within a predetermined range of values. ..

The sleep state determination unit 250 is a functional unit for determining the sleep state based on the activity amount calculated by the activity amount calculation unit 240. For example, the current sleep state is determined using the amount of activity up to 4 minutes before the reference time for determining the sleep state, and is transmitted to the sleep state evaluation device 1 via the communication unit 230.

Here, the sleep state determined in the present embodiment is "sleep" in which the person to be measured is in a sleeping state, "wakefulness" in which the person to be measured is in an awake state, and a case where the person to be measured is out of bed. It is determined that "getting out of bed". That is, when it is determined to be "sleep" and "awakening", the user is in bed.

[2.2 Sleep state evaluation device]
Subsequently, the functional configuration of the sleep state evaluation device 1 will be described with reference to FIG. In the sleep state evaluation device 1, the communication unit 110, the storage unit 120, the input unit 150, and the display unit 160 are connected to the control unit 100 via a bus.

The control unit 100 is a functional unit for controlling the operation of the sleep state evaluation device 1, and is composed of a control circuit necessary for the sleep state evaluation device 1 such as a CPU. The control unit 100 realizes various processes by reading and executing various programs stored in the storage unit 120.

The communication unit 110 is a functional unit for receiving data from the sleep state determination device 2, and is composed of a device (interface) capable of communicating with the communication unit 230.

The storage unit 120 is a functional unit that stores various data and programs for operating the sleep state evaluation device 1. The control unit 100 realizes various functions by reading and executing the program stored in the storage unit 120. Here, the storage unit 120 is composed of, for example, a semiconductor memory, a magnetic disk device, or the like.

Further, the storage unit 120 stores the sleep state history information 122, the sleep status table 124, the advice table 126, and the evaluation table 128.

The sleep state history information 122 is information stored about the sleep state input (received) from the sleep state determination device 2. For example, as shown in FIG. 5, the sleep state is stored for each date and time.

In the present embodiment, the sleep state is stored every minute, but it may be stored at a predetermined time interval such as every 30 seconds or every 2 minutes.

Also, for example, the time interval of the same sleep state is lengthened (for example, every minute when "sleep" is continuous), and the time interval is shortened when the sleep state changes (for example, every second). ) May be used as a storage method.

The sleep status table 124 is a table for storing the daily sleep status based on the sleep status history information 122. For example, as shown in FIG. 6, for each date, sleep time (eg, "365 minutes"), time to fall asleep (eg, "13 minutes"), and sleep efficiency (eg, "92.6%"). ), The time of waking up during sleep (time of awakening) (for example, "14 minutes"), and the number of times of getting out of bed (for example, "once") are memorized.

Here, the sleep time means the total sleep time from the bedtime to the wake-up time, and the sleep time means the time from the bedtime to the appearance of the first cohesive sleep (for example, lasting 10 minutes or more). The time until the beginning of the sleeping section).

The awakening time is the total awakening time from falling asleep (the first sleep section calculated by falling asleep) to falling asleep (the sleep section closest to the wake-up time), and sleep efficiency is the sleep efficiency. It is the ratio of sleep time to the time from the time to the wake-up time.

The advice table 126 is a table that stores advice to be output to the evaluation report. For example, as shown in FIG. 7, an advice code (advice code) and an advice message are stored. The control unit 100 can output an appropriate advice message by referring to the advice code.

The evaluation table 128 is a table used when evaluating the sleep state. For example, as shown in FIG. 8, the evaluation items are stored together with the threshold value for each evaluation score. Further, an advice code (selection advice) selected as an advice message to be displayed and an advice code (highlighted advice) highlighted when a predetermined score is obtained are stored.

Details will be described later, but for example, when calculating the "daytime sleep time evaluation score", the daytime sleep time is used as a parameter. If the sleep time during the day is less than 30 minutes, it is "5" points, if it is 30 minutes or more and less than 45 minutes, it is "4" points, and if it is 45 minutes or more and less than 60 minutes, it is "3" points, 60 minutes. If it is more than 75 minutes, it is calculated as "2" points, if it is 75 minutes or more and less than 90 minutes, it is calculated as "1" points, and if it is 90 minutes or more, it is calculated as "0" points.

Further, when the score is equal to or less than a predetermined score (for example, when the score is "4" or less), the advice corresponding to the advice code stored in the selection advice is read from the advice table 126. Furthermore, if the score is less than the specified score (for example, if the score is "2" or less), the advice code of the highlight advice is highlighted (for example, the color is changed, bolded, blinked, or underlined). Or change the font size to display).

The input unit 150 is a functional unit for the measurer to give an instruction / operation to the sleep state evaluation device 1 (or the sleep state determination device 2). For example, it is composed of operation buttons, a touch panel, and the like.

The display unit 160 is a functional unit for displaying the sleep state and displaying the operation of the sleep state determination device 2 and the sleep state evaluation device 1. For example, it is composed of a display device such as a liquid crystal display.

In addition to the display unit 160, it may have, for example, a printing function. For example, the result of evaluating the sleep state may be printed on paper together with the display unit 160 by the printing function, or may be printed instead of being displayed on the display unit 160.

[3. Processing flow]
Subsequently, the processing flow of the sleep state evaluation device 1 in the present embodiment will be described.

[3.1 Main processing]
First, the main process executed by the sleep state evaluation device 1 will be described with reference to FIG. First, the control unit 100 executes the sleep status determination process (step S100).

Here, the sleep status determination process is a process of generating the sleep status table 124 based on the sleep status history information 122. For example, in order to determine the sleep time at night, the total sleep time from the preset bedtime to the wake-up time is determined as the sleep time.

Here, the bedtime and the wake-up time may be set in advance, or may be automatically determined based on the sleep state history information 122.

Subsequently, it is determined whether or not to create a sleep state evaluation report by the sleep state evaluation device 1 (step S102). Here, if the evaluation report is not created, another process is executed (step S102; No).

For example, when the process of changing the wake-up / bedtime is selected (step S120; Yes), the date to be changed is selected (step S122), and the wake-up / bedtime of the selected date is changed (step S120; Yes). Step S124).

Next, if it is selected to create an evaluation report (step S102; Yes), the sleep state evaluation process is executed (step S104). The sleep state evaluation process is evaluated based on the sleep state memorized in the past (for example, the sleep state for two weeks in this embodiment).

Further, the life rhythm evaluation process is executed (step S106). When the life rhythm evaluation process is executed, the objective life rhythm is evaluated.

Then, the evaluation report output process is executed based on the contents evaluated by the sleep state evaluation process and the life rhythm evaluation process (step S108). This enables the measurer to objectively evaluate the sleep state of the person to be measured. Hereinafter, each process will be described in detail.

[3.2 Sleep state evaluation process]
First, the sleep state evaluation process will be described with reference to FIG. The sleep state evaluation process is a process for mainly evaluating sleep at night, and is a process realized by reading and executing a sleep state evaluation program stored in the storage unit 120 by the control unit 100. .. As a result, the evaluation score of each evaluation item is calculated in each process.

First, the night sleep time evaluation process is executed (step S200). In the nighttime sleep time evaluation process, the sleep time evaluation score is calculated based on the sleep time stored in the sleep status table 124.

Here, since the method of calculating the evaluation score for each evaluation item is the same, the nighttime sleep time evaluation process will be described with reference to FIG. 11 as an example.

First, the average value of the sleep time for a predetermined period (for example, 2 weeks in the case of the present embodiment) is calculated (step S300). Subsequently, the sleep evaluation score at night is calculated based on the calculated average value (step S302).

Here, the sleep evaluation score is a perfect score of 10 in this embodiment.
6.5 hours or more and less than 8 hours ... 10 points 6 hours or more and less than 6.5 hours or 8 hours or more and less than 8.5 hours ... 8 points 5.5 hours or more and less than 6 hours or 8.5 hours or more 9 Less than time ・ ・ ・ 6 points 5 hours or more and less than 5.5 hours or 9 hours or more and less than 10 hours ・ ・ ・ 4 points 4.5 hours or more and less than 5 hours or 10 hours or more and less than 11 hours ・ ・ ・ 2 points 4.5 It is calculated by applying less than an hour or 11 hours or more ... 0 points.

In this way, when calculating each evaluation score, the average value of each value is used. Further, the above-mentioned method for calculating the evaluation score is an example, and is not limited to the above-mentioned method. That is, any method may be used as long as the evaluation points are assigned to the predetermined evaluation values.

Next, the sleep evaluation process is executed (step S202). In the sleep evaluation process, the sleep evaluation score is calculated based on the time until sleep stored in the sleep status table 124. For example, if it is less than 8 minutes, it will be 10 points, if it is less than 10, it will be 8, ..., If it is 60 minutes or more, it will be 0 points.

Subsequently, the sleep efficiency evaluation process is executed (step S204). In the sleep efficiency evaluation process, the evaluation score is calculated based on the sleep efficiency stored in the sleep status table 124. For example, if it is 95% or more, it will be 10 points, if it is 92.5% or more, it will be 9 points, ..., if it is 72.5% or more, it will be 1 point, and if it is less than 72.5%, it will be 0 point.

Subsequently, the awakening time evaluation process is executed (step S206). In the awakening time evaluation process, the evaluation score is calculated based on the awakening time stored in the sleep status table 124, that is, the awakening time. For example, if it is less than 5 minutes, it will be 10 points, if it is less than 10 minutes, it will be 9 points, ..., if it is less than 70 minutes, it will be 1 point, and if it is 70 minutes or more, it will be 0 point.

Subsequently, the number of times of getting out of bed evaluation process is executed (step S208). In the bed leaving frequency evaluation process, the evaluation score is calculated based on the bed leaving frequency stored in the sleep status table 124. For example, 0 times is 10 points, less than 0.15 times is 9 points, ..., less than 2.5 times is 1 point, and 2.5 times or more is 0 points.

In the bed leaving frequency evaluation process, the bed leaving time may be obtained instead of the bed leaving frequency for evaluation. In this case, the bed leaving time is stored again in the sleep status table 124, or the bed leaving time is calculated from the sleep state history information 122. Then, the evaluation score will be calculated based on the time to get out of bed.

By executing the sleep status evaluation process in this way, each evaluation score is calculated.

[3.3 Life Rhythm Evaluation Processing]
Subsequently, the life rhythm evaluation process will be described with reference to FIG. The life rhythm evaluation process is a process for objectively evaluating the life rhythm of the subject.

As a rule, each parameter value is calculated based on the sleep state history information 122 and the sleep state table 124. This life rhythm is evaluated on a scale of 50 points, and evaluation points are calculated for the four factors of "how to spend during the day", "how to spend before going to bed", "sleeping habits", and "regularity of sleep". Hereinafter, the first factor will be described in detail first, and since the calculation process of each evaluation score and the advice determination process are the same processes, the second to fourth factors will be described to the extent that the contents of the invention can be understood.

[3.3.1 Factor 1 "How to spend the day"]
First, in order to evaluate "how to spend during the day", a daytime sleep time evaluation process (step S400) and a daytime bedtime evaluation process (step S402) are executed.

Specifically, first, the daytime sleep time evaluation process calculates the daytime sleep time (daytime sleep time-nighttime sleep time). The evaluation score corresponding to the calculated daytime sleep time is determined on a scale of 5 based on the evaluation table 128.

For example, when the daytime sleep time is 50 minutes, the "3" point, which is "less than 60 minutes", is the daytime sleep time evaluation score.

Similarly, in the daytime bedtime evaluation process, the daytime bedtime (daily bedtime-nighttime bedtime) is calculated, and the evaluation score corresponding to the calculated daytime bedtime is calculated. Is determined on a scale of 5 based on the evaluation table 128. For example, when the bedtime during the day is 150 minutes, the "1" point of "less than 180 minutes" is the daytime bedtime evaluation score. If it is 180 minutes or more, the evaluation score will be 0 points.

Next, the score of the first factor (out of 10 points) and the advice are determined (step S404). In the above case, the score of the first factor is 3 + 1 = 4 points. Further, as the advice, based on FIG. 8, 5, 6, 7, 13, 19 are selected as the selection advice. Further, since the evaluation score of the bedtime during the day is 1 point, the advice 13 is selected as the advice to be highlighted.

[3.3.2 Second factor "How to spend before going to bed"]
Subsequently, a pre-sleep sleep evaluation process (step S406) and a pre-sleep bed evaluation process (step S408) are executed in order to evaluate how to spend before going to bed.

Specifically, in the pre-sleep sleep evaluation process, the evaluation score is calculated based on the doze before bedtime (the average of the sleep time from the daily (sleep onset time-sleep time) to the bedtime).

In the pre-sleep bed evaluation process, the evaluation score is calculated based on the bedtime before bedtime (the average of the bedtime from the daily (sleep onset time-sleep time) to the bedtime).

Then, from each of the calculated evaluation points, the score of the second factor is calculated on a scale of 10 points, and the advice is determined (step S410).

[3.3.3 Third factor "sleeping habits"]
Subsequently, in order to evaluate the sleeping habit, the bedtime evaluation process (step S412), the wake-up time bed evaluation process (step S414), the wake-up time evaluation process (step S416), and the bedtime evaluation process (step S418). ) Are executed respectively.

Specifically, in the bedtime evaluation process, the evaluation score is calculated out of 4 points based on the time spent in bed at night (average bedtime (time from bedtime to wake-up time)).

In addition, in the bed evaluation process at the time of waking up, the evaluation score is based on the time from waking up to leaving the bed in the morning (the average time from the end of the sleep section immediately before waking up to the time of waking up) on a scale of 3 points. It is calculated.

Further, in the wake-up time evaluation process, the evaluation score is calculated out of 3 points based on the wake-up time (average wake-up time).

In the bedtime evaluation process, the evaluation score is calculated out of 4 points based on the bedtime (average bedtime).

Then, the score of the third factor is calculated from the calculated evaluation scores on a scale of 14 points, and the advice is determined (step S420).

[3.3.4 Factor 4 "Sleep Regularity"]
Subsequently, in order to evaluate the regularity of sleep, the bedtime regularity evaluation process (step S422) and the wake-up time regularity evaluation process (step S424) are executed, respectively.

Specifically, in the bedtime regularity evaluation process, the evaluation score is calculated out of 8 points based on the regularity of the bedtime (standard deviation of the bedtime).

Further, in the wake-up time regularity evaluation process, the evaluation score is calculated out of 8 points based on the wake-up time regularity (standard deviation of the wake-up time).

Then, the score of the fourth factor is calculated from the calculated evaluation scores on a scale of 16 points, and the advice is determined (step S426).

[3.4 Evaluation report output processing]
Subsequently, the evaluation report output process will be described with reference to FIG. Here, the evaluation report may be output so as to be displayed on a display screen of a liquid crystal display device or the like, or may be printed out on a recording paper from a printing device such as a printer. Further, it may be output to another connected system (for example, an electronic medical record system).

First, a sleep diary is generated from the sleep state history information 122 (step S500). Here, the sleep diary displays the state of the sleep state history information 122 on a graph. The sleep diary may not be generated (output).

Subsequently, the sleep state evaluation score is output based on each evaluation score evaluated in the sleep state evaluation process (step S104 in FIG. 9) (step S502). Then, the life rhythm evaluation score is output based on each evaluation score evaluated in the life rhythm evaluation process (step S106 in FIG. 9) (step S504).

Further, in the life rhythm evaluation process, each of the determined advices is read from the advice table 126 and output as sleep advice (step S506).

In this way, the evaluation report is output by displaying the information based on the evaluation points evaluated in the sleep state evaluation process and the life rhythm evaluation process and the sleep advice.

Here, it is possible to select whether or not to output the above-mentioned output item. That is, only the information based on each evaluation score of night sleep and the evaluation score of the daily rhythm may be output, or only the sleep advice may be output.

Further, in the above-mentioned sleep state evaluation process, when the evaluation score of each evaluation item is calculated, it is calculated based on the average value of the sleep state for several days (for example, 2 weeks). For example, the sleep state evaluation process. Is also possible to calculate based only on the previous day.

[4. Example]
Subsequently, an example of the evaluation report will be described with reference to FIG. 14 as an example when the above processing is executed. FIG. 14 is a diagram showing an example of the output evaluation report.

In the evaluation report, a sleep diary (R10 in FIG. 14), a current sleep evaluation (R12 in FIG. 14), and sleep advice (R14 in FIG. 14) are displayed. By checking the evaluation report, the measurer can easily grasp the sleep state of the person to be measured.

Regarding the sleep evaluation in FIG. 14, each evaluation score is represented by a radar chart, but for example, each score may be displayed as a specific numerical value, or may be output in another format such as a pie chart. Is also good. Further, the numerical value and the score of each item may be displayed together with the radar chart or the like.

As described above, according to the present embodiment, it is possible to provide a sleep state evaluation device that reduces the burden on the person (input work / memory of life rhythm) and improves the objectivity of life rhythm evaluation.

For example, spending too much time in bed, irregular bedtime and wake-up time, sleeping in bed during the day, going to the toilet many times at night, etc. The cause can be estimated.

In addition, even if the sleep indicators such as the time of falling asleep and the time of awakening are the same, it can be estimated that the quality of sleep is better for those who have regular bedtime and wake-up time, and those who are away from bed during the day. ..

[5. Modification example]
Although the embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment, and the design and the like within a range not deviating from the gist of the present invention are also within the scope of claims. include.

In the above-described embodiment, each evaluation score is calculated without using the evaluation table 128 in the sleep state evaluation process, and each evaluation score is calculated using the evaluation table 128 in the life rhythm evaluation process, but the present invention is not limited to this. There is no.

That is, in order to calculate each evaluation score, the threshold value may be stored as in the evaluation table 128, or the evaluation score may be calculated by the program. Therefore, by storing the parameters, it is possible to use the evaluation table 128 also in the sleep state evaluation process. By using the evaluation table 128, for example, the measurer can change the value of the parameter to obtain an appropriate evaluation.

Further, the evaluation table 128 may be stored for each age or gender, for example. As a result, for example, it becomes possible to memorize an appropriate value such as a wake-up time for each age, and a more appropriate evaluation can be performed.

Further, in the above-described embodiment, the sleep state is determined by the sleep state determination device 2 and then transmitted, but the sleep state evaluation device 1 may be used. That is, the sleep state determination unit 250 of FIG. 3 may be stored in the sleep state evaluation device 1, and the sleep state evaluation device 1 may determine the sleep state based on the amount of activity output from the sleep state determination device 2. Further, by storing the activity amount calculation unit 240 in the sleep state evaluation device 1, the sleep state determination device 2 may transmit only the information detected by the vibration detection unit 210 to the sleep state evaluation device 1.

Further, the sleep state determination process S100, the sleep state evaluation process S104, the life rhythm evaluation process S106, and the like may be executed by the server connected to the sleep state evaluation device 1. That is, the sleep state evaluation device 1 transmits the sleep state to the server. The evaluation report is output by executing the sleep state determination process S100, the sleep state evaluation process S104, the life rhythm evaluation process S106, and the like on the server side. This makes it possible to appropriately output an evaluation report even for a terminal such as a mobile terminal whose processing performance is not high.

Further, in the above-described embodiment, the sleep state determination device 2 and the sleep state evaluation device 1 have been described on a one-to-one basis, but a plurality of devices may be combined. For example, when used in a nursing care facility, a hospital, or the like, it is common that there are a plurality of people to be measured (for example, patients and persons requiring long-term care), and the sleep state of a plurality of people to be measured in a sleep state evaluation device. It is also good to manage. Further, since there may be a plurality of measurers (for example, a nurse or a care staff), there may be a plurality of sleep state evaluation devices.

1 Sleep state evaluation device 100 Control unit 110 Communication unit 120 Storage unit 122 Sleep state history information 124 Sleep status table 126 Advice table 128 Evaluation table 150 Input unit 160 Display unit 2 Sleep state determination device 200 Control unit 210 Vibration detection unit 220 Storage unit 230 Communication unit 240 Activity calculation unit 250 Sleep state determination unit

Claims (2)

A calculation unit that calculates the amount of activity of the person to be measured from the detected vibration,
Based on the amount of activity, a determination unit for determining a sleep state in which the person to be measured indicates sleep or awakening, and a determination unit.
A control unit that stores the sleep state determined by the determination unit at a predetermined timing,
Equipped with
The control unit is characterized in that when the sleep state determined by the determination unit is changing, the sleep state is stored at a shorter timing than when the sleep states are continuously the same. Sleep state determination device. A calculation means for calculating the sleep time during the day and the sleep time at night based on the sleep state, and
An evaluation means for evaluating the night sleep quality of the subject based on the daytime sleep time and the night sleep time, and an evaluation means.
The sleep state determination device according to claim 1, further comprising.

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