WO2024025024A1 - Procédé de mesure de l'agitation pendant le sommeil - Google Patents

Procédé de mesure de l'agitation pendant le sommeil Download PDF

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Publication number
WO2024025024A1
WO2024025024A1 PCT/KR2022/011413 KR2022011413W WO2024025024A1 WO 2024025024 A1 WO2024025024 A1 WO 2024025024A1 KR 2022011413 W KR2022011413 W KR 2022011413W WO 2024025024 A1 WO2024025024 A1 WO 2024025024A1
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WO
WIPO (PCT)
Prior art keywords
tossing
turning
motion data
during sleep
value
Prior art date
Application number
PCT/KR2022/011413
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English (en)
Korean (ko)
Inventor
권서현
Original Assignee
주식회사 무니스
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Publication date
Application filed by 주식회사 무니스 filed Critical 주식회사 무니스
Publication of WO2024025024A1 publication Critical patent/WO2024025024A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
    • A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb

Definitions

  • the present invention relates to a method for measuring tossing and turning during sleep. More specifically, the present invention relates to a method of measuring tossing and turning during sleep. It is highly reliable when measuring tossing and turning during sleep and can be easily applied to a portable device such as a smartphone carried by the user during sleep without a separate device. It's about how to measure.
  • adequate sleep has the effect of recovering from fatigue, improving immunity and concentration, relieving stress, and recovering from inflammation and muscle recovery.
  • the sleep diagnosis device includes a sensing unit including a plurality of sensors for acquiring sleep diagnosis data of a user, a memory for storing the sleep diagnosis data, and a broadcast device for transmitting the sleep diagnosis data.
  • a sensing unit including a plurality of sensors for acquiring sleep diagnosis data of a user, a memory for storing the sleep diagnosis data, and a broadcast device for transmitting the sleep diagnosis data.
  • Activate the casting BLE module and any one sensor with the lowest power consumption among the plurality of sensors and deactivate the remaining sensors detect whether the user enters sleep using the activated sensor, and detect whether the user enters sleep.
  • the broadcast function of the BLE module and the data storage function of the memory are controlled to be deactivated, and when entry into sleep is detected, the remaining sensors are activated to It includes a processor that controls to obtain sleep diagnosis data.
  • the sleep diagnosis device must be equipped with a BLE module to broadcast sleep diagnosis information related to at least one of the user's sleep apnea, snoring, movement during sleep, and sleep stage time at predetermined time intervals, and must be equipped with a smartphone or tablet.
  • Analysis devices such as various computing devices such as PCs, general PCs, and servers acquire sleep diagnosis data output (broadcast) from the sleep diagnosis device and perform the operation of generating sleep diagnosis information using the acquired sleep diagnosis data.
  • the configuration is complicated and there is also the inconvenience of having to install or wear these devices separately on the bed.
  • the sleep diagnosis device can collect sleep diagnosis data related to the user's movements (tossing and turning, etc.) through an acceleration sensor, and the acceleration sensor can be implemented as a 9-axis gyro sensor.
  • the sleep diagnosis data is 9 above.
  • Information related to the user's movements during sleep (occurrence point, degree of movement, number of movements, etc.) can be obtained based on the hourly inclination value provided from the acceleration sensor, including the inclination value measured by the axial gyro sensor.
  • the degree of tossing and turning varies from person to person, making it impossible to accurately measure the degree of tossing and turning of a specific person, making it unreliable.
  • the present invention was developed to solve the above-mentioned problems, and the purpose of the present invention is to provide a method for measuring tossing and turning during sleep that can increase the reliability of the measurement when determining whether tossing and turning occurs when movement occurs during sleep.
  • another object of the present invention is to automatically measure the user's tossing and turning when a user of a portable device such as a smartphone places his or her portable device on the mattress of the bed and sleeps without installing or wearing a separate device. It provides a method of measuring tossing and turning during sleep.
  • the motion data measured by the motion sensor is x, y, z motion data, and the x, y, z motion data is recorded in memory at a set time period of 1 second;
  • the third step is characterized in that the variance value is obtained in units of a set time interval of 10 seconds using the magnitude values of the x, y, and z motion data.
  • the first step is characterized by deleting the very early and very late data among the motion data.
  • the reference value is a value obtained by multiplying the average value of all magnitude data by the alpha value of the standard deviation.
  • the fourth step is characterized in that the number and timing of tossing and turning calculated by calculating the total number of variance values greater than the reference value among the variance values are recorded in the memory.
  • a fifth step of arranging the variance values calculated in units of the set time interval according to time may be further included.
  • the motion sensor is characterized as being mounted on a smartphone, a portable device carried by the user.
  • motion data is recorded at a set time period and the number of tosses and turns is calculated using the magnitude and variance values of the motion data.
  • the reliability of determining whether tossing and turning occurs as well as the number of times is high. Accordingly, the reliability of calculating the number and timing of tossing and turning during sleep is high, so collecting information on tossing and turning can be fully utilized as data on sleep disorders.
  • the user's tossing and turning can be comfortably measured by simply placing a portable device such as the user's smartphone on the mattress of the bed without installing or wearing a separate device on the mattress of the bed. .
  • Figure 1 is a diagram showing the configuration of a smartphone for measuring tossing and turning during sleep according to the present invention.
  • Figure 2 is a flowchart of measuring tossing and turning during sleep according to the present invention.
  • Figures 3 to 5 are diagrams showing graphs arranging variance values according to time and images taken when tossing and turning occurred through an experiment measuring tossing and turning during sleep according to the present invention.
  • tossing and turning during sleep according to the present invention can be measured using a smartphone 100, a portable device carried by the user.
  • This smartphone 100 is equipped with a motion sensor 110 that can detect movement and measure motion data.
  • the motion data of the motion sensor 110 is collected and recorded in the memory 120, and the memory ( 120), the motion data stored in the device is analyzed to calculate the number and time of tossing and turning.
  • the smartphone 100 includes a motion sensor 110 capable of measuring movement, a memory 120 that records motion data measured by the motion sensor 110, and the number of tossing and turning by analyzing the motion data. It includes an arithmetic processing unit 130 that calculates the starting point, and a display unit 140 that displays tossing and turning information regarding the number of tossing and turning times calculated through the arithmetic processing unit 130.
  • the tossing and turning measurement app 101 for measuring tossing and turning is downloaded, stored and installed in the memory 120 of the smartphone 100 through data input/output or communication with an external device.
  • the motion sensor 110 When driven, the motion sensor 110 operates to record motion data and then analyzes it to calculate the number and timing of tossing and turning.
  • the user places the smartphone 100 on a mattress 1 such as a bed while running the tossing and turning app 101 on the smartphone 100 and sleeps. Calculate the number and timing of tossing and turning.
  • the tossing and turning measurement app 101 can set the time through the input unit 150 of the smartphone.
  • the time can be set by specifying a specific time or setting a measurement time range.
  • the input unit 150 and the display unit 140 are described separately for convenience, they are generally formed as a single touch screen, and any differences in this degree fall within the scope of the present invention.
  • the mattress 1 shakes and the movement of the mattress 1 is transmitted to the smartphone. It is transmitted to (100) and the user's movement can be detected by measuring the motion data from the motion sensor 110, and the number and timing of the tossing and turning are calculated by analyzing whether the movement is the user's tossing and turning.
  • This tossing and turning measurement method of the present invention is a portable device and can be applied to various portable terminals such as tablet PCs and smartwatches equipped with a motion sensor 110 in addition to the smartphone 100.
  • the scope of the present invention is not limited to smartphones, and various devices can be used as long as they can measure and record motion data.
  • the user's movements can be measured by placing the smartphone 100, which is a mobile phone device, on the mattress 1 installed on the bed.
  • the present invention can accurately determine the number and timing of tossing and turning through the movement of the mattress (1) by looking at the entire sleep.
  • the user can measure tossing and turning during sleep at a high level just with his or her smartphone 100.
  • the motion sensor 110 of the smartphone 100 measures motion data according to the movement of the mattress 1.
  • the motion sensor 110 is usually not a single sensor but a combination of several sensors. It is used to measure movement or position, such as a geomagnetic sensor, acceleration sensor, or barometer.
  • the motion data of the motion sensor 110 is x, y, z motion data.
  • the operation processing unit 130 records x, y, z motion data measured from the motion sensor 110 in the memory 120 at a set time period (for example, 1 second).
  • x, y, z motion data recorded in the memory 120 are as shown in Table 1 in Example 1 below.
  • the operation processing unit 130 performs the step (S2) and deletes the very beginning and the very last data from the recorded x, y, z motion data. (S3) This means that the smartphone 100 is placed on the mattress (1) before sleep. ) This is to determine that it is not related to actual tossing and turning, considering that the smartphone (100) is used on top of the device and turned off when waking up after sleep.
  • step S3 the operation processing unit 130 performs step S3 to delete the very early and very late data, and then x, y recorded in the memory 120 at a set time period (for example, in units of 1 second) , z
  • the magnitude of the motion data is calculated according to the following equation 1. (S4)
  • Magnitude data of x, y, z motion data calculated according to Equation 1 above is shown in Table 2 in Example 2 below.
  • the operation processing unit 130 uses the magnitude data of the x, y, z motion data calculated at the set time period (for example, in units of 1 second) through step S4 to calculate the set time period (e.g., the variance value is calculated in units of 10 second intervals.
  • the variance value is calculated in units of 10 second intervals.
  • S5 This variance value is data that most directly shows how the size of the motion changed during the set time interval of 10 seconds, for example.
  • the variance value is calculated according to Equation 2 below.
  • N is the number of magnitude data
  • x i is the magnitude value
  • u is the average value of the magnitude data.
  • the calculation processing unit 130 arranges the variance values calculated in units of set time intervals (for example, 10 second intervals) according to time through step S5, as shown in Example 3 below. Same. (S6)
  • the calculation processing unit 130 calculates a reference value to find the actual number of tossing and turning (S7).
  • the reference value is equal to the average value of all data (magnitude data) multiplied by the alpha value of the standard deviation.
  • the alpha value can be applied differently depending on the type of data, and the value stored in the memory 120 can be used.
  • the calculation processing unit 130 compares the variance values calculated in step S6 with the reference value calculated in step S7, and determines a variance value greater (or 'higher') than the reference value. Calculate the total number of them (S8).
  • the number of tossing and turning can be calculated by checking the total number of variance values that are greater than the standard value. there is.
  • the calculation processing unit 130 analyzes the variance values, determines that the variance is higher than the reference value as tossing and turning, calculates the number and timing of the tossing and turns, and records them in the memory 120.
  • the tossing and turning information regarding the number and timing of tossing and turning calculated through the calculation processing unit 130 can be recorded in the memory 120 and displayed on the display unit 140 according to the setting environment or user's operation.
  • the experimental method measures tossing and turning data in real time using the iPhone 10 At this time, motion data of x, y, and z is recorded every second. At the same time, video recording is conducted to visually confirm tossing and turning during sleep. Check whether the time period and number of tossing and turning derived through the algorithm according to the present invention match the actual tossing and turning. A total of 3 experiments lasting 1 hour and 30 minutes were conducted.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
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  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
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  • Animal Behavior & Ethology (AREA)
  • Physics & Mathematics (AREA)
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  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
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Abstract

La présente invention concerne un procédé de mesure de l'agitation pendant le sommeil, et fournit un procédé de mesure de l'agitation pendant le sommeil, le procédé permettant d'enregistrer des données de mouvement par période de temps définie et de calculer une fréquence d'agitation à l'aide d'une valeur d'amplitude et d'une valeur de variance des données de mouvement si un utilisateur se déplace sur un matelas d'un lit et similaire pendant le sommeil, de telle sorte que la fiabilité de détermination du fait de savoir si une agitation se produit et de détermination de la fréquence d'agitation peut être augmentée, et l'agitation de l'utilisateur peut être commodément mesurée par simple placement d'un dispositif portable tel qu'un téléphone intelligent de l'utilisateur sur le matelas du lit et similaire sans qu'un dispositif séparé soit disposé sur le matelas du lit ou porté.
PCT/KR2022/011413 2022-07-29 2022-08-02 Procédé de mesure de l'agitation pendant le sommeil WO2024025024A1 (fr)

Applications Claiming Priority (2)

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KR1020220094305A KR102603248B1 (ko) 2022-07-29 2022-07-29 수면 중 뒤척임 측정 방법
KR10-2022-0094305 2022-07-29

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WO2024025024A1 true WO2024025024A1 (fr) 2024-02-01

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2959376B2 (ja) * 1994-01-26 1999-10-06 松下電器産業株式会社 監視装置
KR20100022706A (ko) * 2008-08-20 2010-03-03 서울대학교산학협력단 에어 매트리스를 이용한 무구속적 수면 상태 분석 장치 및방법
KR101647431B1 (ko) * 2015-01-07 2016-08-10 순천향대학교 산학협력단 스마트폰을 이용한 실시간 수면 모니터링 시스템
KR20170079765A (ko) * 2015-12-31 2017-07-10 코웨이 주식회사 매트리스에서의 수면 측정 및 분석 방법
KR102143499B1 (ko) * 2013-06-11 2020-08-11 삼성전자주식회사 휴대 단말 장치를 이용한 수면 품질 측정 방법 및 장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102377703B1 (ko) 2020-07-15 2022-03-23 (주)인프라칩 수면 진단 기기

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2959376B2 (ja) * 1994-01-26 1999-10-06 松下電器産業株式会社 監視装置
KR20100022706A (ko) * 2008-08-20 2010-03-03 서울대학교산학협력단 에어 매트리스를 이용한 무구속적 수면 상태 분석 장치 및방법
KR102143499B1 (ko) * 2013-06-11 2020-08-11 삼성전자주식회사 휴대 단말 장치를 이용한 수면 품질 측정 방법 및 장치
KR101647431B1 (ko) * 2015-01-07 2016-08-10 순천향대학교 산학협력단 스마트폰을 이용한 실시간 수면 모니터링 시스템
KR20170079765A (ko) * 2015-12-31 2017-07-10 코웨이 주식회사 매트리스에서의 수면 측정 및 분석 방법

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