KR20200005133A - System for detecting factor interfering with sleep - Google Patents

Abstract

A system for detecting a sleep interference factor to provide a sound and vibration alarm to a user before a sleep interference factor occurs according to one embodiment of the present invention comprises: a measuring device measuring heart rate variability (HRV) of a user and transmitting the measured HRV to a control device for every set period; and a control device receiving the measured HRV, calculating indicators corresponding to previously set coordinates from the received HRV, and outputting an alarm alarming the occurrence of a sleep interference factor when the calculated indicators represent specific patterns.

Description

Sleep disturbance detection system {SYSTEM FOR DETECTING FACTOR INTERFERING WITH SLEEP}

The present invention relates to a sleep disturbance detection system, and to a sleep disturbance detection system that determines whether a sleep disturbance occurs based on the amount of change in heart rate variability during sleep.

Sleep disturbances, such as nightmares and scissor pressure, occur frequently in people who are mentally or physically damaged by social or environmental factors, or who do not sleep well due to excessive stress. Since a specific heart rate variability (HRV) appears before such sleep disturbances occur, it is possible to determine whether sleep disturbances occur by measuring heart rate variability during sleep.

Conventionally, an apparatus for acquiring unrestrained heart rate variability and a sound sleep determination device according to a sleep state in a bed has been disclosed, but it is difficult to apply to a real life because a bed provided with an ECG sensor and a pillow equipped with an EEG sensor are used.

KR 10-2012-0152110 A

The present invention measures the heart rate variability during sleep through the band worn on the wrist, when specific patterns appear before sleep disturbances occur, sleep disturbance to wake up the user through vibrations and alarms to prevent nightmares or to be pressed by scissors To a detection system.

Sleep disturbance detection system according to an embodiment of the present invention comprises a measurement device for measuring the heart rate variability (HRV) of the user at each set period, and transmits the measured heart rate variability to the control device; And receiving the measured heart rate variability, calculating index values corresponding to preset indices from the received heart rate variability, and outputting an alarm informing of occurrence of sleep disturbance when the calculated index values indicate specific patterns. It may include a control device.

The specific patterns are, in each of the predetermined indicators, specific fluctuation patterns of the indicator value appearing before the sleep disturbance occurs.

The control device may calculate the indicator values at each set period and accumulate the calculated indicator values for each of the predetermined indicators.

The specific patterns may include a case in which the standard deviation of the indicator values accumulated in any one of the preset indicators differs from the reference values set in each of the preset indicators by a predetermined value or more.

The specific patterns may include a case in which at least one of the calculated indicator values coincides with threshold values set in each of the preset indicators.

The thresholds set in each of the preset indices are preset values of the sympathetic nerve value and the parasympathetic nerve value of the user when the sleep disturbance occurs.

The control device may calculate the index values after excluding the error of the predetermined heart rate variance with respect to the change amount of the heart rate variability due to respiration and the amount of change in the heart rate variability when the body flips during sleep. have.

The control device may sample the received heart rate variability before calculating the indicator values.

The control device may output a sound alarm and transmit a warning signal to the measurement device when the calculated indicator values indicate the specific patterns.

The measuring device may output a sound alarm and a vibration when the warning signal is received.

The measuring device may be worn such that the sensor for measuring the heart rate variability is located above the wrist of the user.

The measuring device may set a time for measuring the heart rate variability in synchronization with the measuring device before measuring the heart rate variability of the user.

According to the sleep disturbance detection system according to an embodiment of the present invention, by detecting the sleep disturbance before it occurs, there is an advantage that the user does not have a nightmare or pressed by scissors.

In addition, since it is determined whether sleep disturbances are generated based on various abnormal patterns, there is an advantage of providing sound and vibration notification to a user before sleep disturbances occur.

In addition, the user may detect a sudden wakefulness or sleep paralysis that is manifested as an undesired fear or fear and wake the user in advance so that the user can easily fall asleep by eliminating the fear of sleep.

In addition, since the measuring device and the control device worn on the wrist are wirelessly connected, unnecessary devices are excluded to prevent a user from getting a good night's sleep and there is no limitation of sleeping space within the range where the measuring device and the control device are connected. There is an advantage.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included as part of the detailed description in order to provide a thorough understanding of the present invention, provide examples of the present invention and together with the description, describe the technical features of the present invention.
1 is a block diagram schematically illustrating a sleep disturbance detection system according to an embodiment of the present invention.

In this specification, terms such as first and / or second are used only for the purpose of distinguishing one component from another component. In other words, it is not intended to limit the components by the above terms.

Components, features, and steps that are referred to herein as "comprising" mean that such components, features, and steps exist and are intended to exclude one or more other components, features, steps, and equivalents. This is not it.

Unless otherwise specified and stated in the singular, the plural forms are included. That is, the components and the like mentioned herein may mean the presence or addition of one or more other components.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. to be.

In other words, terms such as those defined in the commonly used dictionaries should be construed as meanings consistent with the meanings in the context of the related art, and, unless expressly defined herein, are construed in ideal or overly formal meanings. It doesn't work.

Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the sleep disturbance detection system according to an embodiment of the present invention.

1 is a block diagram schematically illustrating a sleep disturbance detection system according to an embodiment of the present invention.

Referring to FIG. 1, the sleep disturbance detection system according to an embodiment of the present invention may include a measuring device 100 and a control device 200.

Measuring device 100 is a device that can measure the heart rate variability (HRV) of the user, for example, is made in the form of a band worn on the wrist of the user, the sensor for measuring the heart rate variability of the user It can be worn to be located above the wrist of the.

The measuring device 100 may be connected to the control device 200 to perform data communication. For example, the measuring device 100 may be connected to the control device 200 through Bluetooth.

The user may synchronize the measuring apparatus 100 and the control apparatus 200 before entering the sleep, and adjust the magnitude of the alarm and the intensity of the vibration output from the measuring apparatus 100 when detecting the disturbance of sleep.

The measurement apparatus 100 may measure the heart rate variability of the user at each set period, and transmit the measured heart rate variability to the control device 200.

The control device 200 may receive the heart rate variability measured by the measuring device 100 and perform sampling before calculating the predetermined index values from the received heart rate variability.

For example, the controller 200 excludes a predetermined heart rate variance error for the amount of change in the heart rate variability due to the breathing of a general person and the amount of change in the heart rate variability in the case of inverting the body during sleep, and then the preset indicators. The index values corresponding to may be calculated.

The control apparatus 200 may calculate index values corresponding to preset indices from the sampled heart rate variability, and output an alarm informing of occurrence of sleep disturbance when the calculated index values indicate specific patterns.

The preset indicators may include a low frequency (LF), a high frequency (HF), and an LF / HF ratio. Here, LF is an index showing the activity of the sympathetic nerve to the heart in the 0.04 ~ 0.15Hz region, HF is a high frequency component related to respiratory activity in the 0.15 ~ 0.4Hz region, an indicator showing the activity of the parasympathetic nervous system to the heart, The LF / HF ratio is an indicator of the relative shift or deflection from cardiovascular function to sympathetic or parasympathetic nerves.

That is, the controller 200 calculates index values corresponding to the LF, HF, and LF / HF Ratio indices from the sampled heart rate variability, and calculates the specific fluctuations of the indices that appear before sleep disturbance occurs. In the case of patterns, it can be determined that sleep disturbances have occurred.

The control apparatus 200 receives the heart rate variability of the user measured at each cycle set in the measuring apparatus 100, calculates index values corresponding to preset indicators from the received heart rate variability, and sets the calculated index values. You can accumulate by indicators. Thereafter, the control apparatus 200 may determine that sleep disturbances have occurred when the standard deviation of the indicator values accumulated in any one of the preset indicators differs from the reference values set in the preset indicators by a predetermined value or more. have.

For example, when the standard deviation of the LF values differs by more than ± 2 from the basic base (the preset reference value), the control apparatus 200 may determine that a sleep disturbance has occurred.

In addition, the control apparatus 200 may determine that a sleep disturbance occurs when at least one of the calculated indicator values coincides with the threshold values set in each of the preset indicators.

For example, when the calculated HF value coincides with the preset parasympathetic nerve value or when the calculated LF value coincides with the preset sympathetic nerve value, the control apparatus 200 may determine that a sleep disturbance factor has occurred.

If it is determined that the sleep occurrence factor has occurred, the control device 200 may output a sound alarm and transmit a warning signal to the measuring device 100. When the measuring device 100 receives the warning signal, the measuring device 100 may output a sound alarm and a vibration to enable the user to wake up.

That is, the sleep disturbance detection system according to an embodiment of the present invention determines whether specific patterns before sleep disturbances appear, and wakes the user when specific patterns appear so that the user does not have a nightmare or is pressed by scissors. There is an advantage.

Although the description herein has been shown in some illustrative aspects, various modifications or changes may be made from the scope defined by the claims that follow, and the technical protection scope of the invention is set forth in the following claims. It must be decided by.

Claims (12)

In the sleep disturbance detection system comprising a measuring device and a control device,
A measurement device for measuring a heart rate variability (HRV) of the user at each set period and transmitting the measured heart rate variability to the control device; And
Receiving the measured heart rate variability, calculating index values corresponding to predetermined indices from the received heart rate variability, and outputting an alarm informing of occurrence of sleep disturbance when the calculated index values indicate specific patterns Including a controller,
Sleep obstruction detection system. The method of claim 1,
The specific patterns,
In each of the predetermined indicators, which are special fluctuation patterns of the indicator value appearing before the sleep disturbance occurs,
Sleep obstruction detection system. The method of claim 1,
The control device,
The indicator values are calculated at each set period, and the calculated indicator values are accumulated for each of the predetermined indicators.
Sleep obstruction detection system. The method of claim 3,
When representing the specific patterns,
It includes a case where the standard deviation of the indicator values accumulated in any one of the predetermined indicators differ by more than a predetermined value from the reference values set in each of the predetermined indicators,
Sleep obstruction detection system. The method of claim 1,
When representing the specific patterns,
At least one of the calculated index values coincides with threshold values set in each of the preset indicators,
Sleep obstruction detection system. The method of claim 5,
Limit values set in each of the preset indicators,
When the sleep disturbance occurs, the user is a value set in advance to the sympathetic nerve value and parasympathetic nerve value,
Sleep obstruction detection system. The method of claim 1,
The control device,
In the received heart rate variance, the indicator values are calculated after excluding an error of a predetermined heart rate variance with respect to the amount of change in heart rate variability due to breathing and the amount of change in heart rate variability when the body flips during sleep.
Sleep obstruction detection system. The method of claim 1,
The control device,
Sampling the received heart rate variability before calculating the indicator values,
Sleep obstruction detection system. The method of claim 1,
The control device,
When the calculated index values represent the specific patterns,
Outputting a sound alarm, and sending a warning signal to the measuring device,
Sleep obstruction detection system. The method of claim 9,
The measuring device,
When receiving the warning signal to output a sound alarm and vibration,
Sleep obstruction detection system. The method of claim 1,
The measuring device,
The sensor for measuring the heart rate variability is worn so that it is located above the wrist of the user,
Sleep obstruction detection system. The method of claim 1,
The measuring device,
Before measuring the heart rate variability of the user, setting the time to measure the heart rate variability in synchronization with the measuring device,
Sleep obstruction detection system.

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