Sleep awaking system and method

Patent metadata

Field	Value
Publication number	US-9603566-B2
Application number	US-201514648479-A
Country	US
Kind code	B2
Filing date	Jan 20, 2015
Priority date	Sep 23, 2014
Publication date	Mar 28, 2017
Grant date	Mar 28, 2017

Abstract

Provided are a sleep awaking system and a sleep awaking method. The system comprises: a sign parameter collecting module for collecting a sign parameter of a human body; a time determining module for determining whether the present time is a REM determining time; a REM determining module for obtaining the sign parameter and determining whether the human body is in a REM stage according to the sign parameter in a REM determining period when the time determining module determines that the present time is the REM determining time; an awaking module for awaking the human body after a pre-awaking period when the REM determining module determines that the human body is in the REM stage and causing the human body to enter the REM stage within the pre-awaking period and awaking the human body after the pre-awaking period when the REM determining module determines that the human body is not in the REM stage, wherein the REM determining period and the pre-awaking period pass in turn from the REM determining time to the awaking time. The above system and method realize awaking the human body in the REM stage, making the human body feel a clear mind, act agilely, and full of spirit and energy after being awaked, which is good for health of the human body.

First claim

What is claimed is:

1. A sleep awaking system comprising:
a sign parameter collecting module configured to collecting a sign parameter of a human body;
a time determining module configured to determining whether a present time is a REM determining time;
a REM determining module configured to obtaining the sign parameter and determining whether the human body is in a REM stage according to the sign parameter in a REM determining period when the time determining module determines that the present time is the REM determining time;
an awaking module configured to awaking the human body after a pre-awaking period when the REM determining module determines that the human body is in the REM stage, and causing the human body to enter the REM stage within the pre-awaking period and awaking the human body after the pre-awaking period when the REM determining module determines that the human body is not in the REM stage,
wherein the REM determining period and the pre-awaking period pass in turn from the REM determining time to the awaking time, and
wherein the human body is determined to be in the REM stage in a case where a total variation of acceleration signals of respective times within the REM determining period is smaller than or equal to a first threshold, and at least one variation of acceleration signal at adjacent times within the REM determining period is larger than a second threshold.

2. The sleep awaking system according to claim 1 , wherein the sign parameter collecting module comprises an acceleration collecting unit configured to collecting acceleration signals of body movement.

3. The sleep awaking system according to claim 1 , wherein the REM determining module comprises:
a sleep/wake determining unit configured to obtaining acceleration signals of respective times within the REM determining period when the time determining module determines that the present time is the REM determining time, calculating the total variation of the acceleration signals within the REM determining period, and comparing the total variation of the acceleration signals with a threshold for the total variation of the acceleration signals within the REM determining period, determining that the human body is in a sleep state when the total variation of the acceleration signals is smaller than or equal to the threshold for the total variation of the acceleration signals, and determining that the human body is in a wake state when the total variation of the acceleration signals is larger than the threshold for the total variation of the acceleration signals; and
a REM determining unit configured to calculating variations of acceleration signals at adjacent times within the REM determining period, when the sleep/wake determining unit determines that the human body is in the sleep state, comparing the variations of the acceleration signals with a threshold for the variations of the acceleration signals one by one, and determining whether variation of the acceleration signals is periodic, determining that the human body is in the REM stage when at least one variation of the acceleration signals is larger than the threshold for the variations of the acceleration signals at adjacent times and/or the variation of the acceleration signals is not periodic, and determining that the human body is not in the REM stage when all the variations of the acceleration signals are smaller than or equal to the threshold for the variations of the acceleration signals at adjacent times and the variation of the acceleration signals is periodic.

4. The sleep awaking system according to claim 3 , wherein the sign parameter collecting module further comprises a heart rate collecting unit configured to collecting heart rate signals;
the sleep/wake determining gait of the REM determining module is configured to obtain heart rate signals of respective times within the REM determining period when the time determining module determines that the present time is the REM determining time, calculate the average of the heart rate signals within the REM determining period, compare the average of the heart rate signals with a threshold for the average of the heart rate signals within the REM determining period, determine that the human body is in the sleep state when the average of the heart rate signals is smaller than or equal to the threshold for the average of the heart rate signals and the total variation of the acceleration signals is smaller than or equal to the threshold for the e total variation of the acceleration signals, and determine that the human body is in a wake state when the average of the heart rate signals is larger than the threshold for the average of the heart rate signals and/or the total variation of the acceleration signals is larger than the threshold for the total variation of the acceleration signals; and
the REM determining unit of the REM determining module is configured to calculate variations of the heart rate signals at adjacent times within the REM determining period when the sleep/wake determining unit determines that the human body is in the seep state, compare the variations of the heart rate signals with a threshold for the variations of the heart rate signals at adjacent times one by one, and determine whether variation of the heart rate signals is periodic, determine the human body is in the REM stage when any one or more of the determination results of the four determinations that at least one variation of the heart rate signals is larger than the threshold for the variations of the heart rate signals at adjacent times, that the variation of the heart rate signals is not periodic, that at least one variation of the acceleration signals is larger than the threshold for the variations of the acceleration signals at adjacent times and that the variation of the acceleration signals is not periodic is true, and determine that the human body is not in the REM stage when all the variations of the heart rate signals are smaller than or equal to the threshold for the variations of the heart rate signals at adjacent times, all the variations of the acceleration signals are smaller than or equal to the threshold for the variations of the acceleration signals at adjacent times, and the variation of the heart rate signals and the variation of the acceleration signals are both periodic.

5. The sleep awaking system according to claim 3 , wherein the sign parameter collecting module further comprises a body temperature collecting unit configured to collecting body temperature signals; and
the REM determining unit of the REM determining module is configured to obtain a variation curve of the body temperature signals with respect to time within the REM determining period when the time determining module determines that the present time is the REM determining time, calculate a difference degree between the variation curve of the body temperature signals with respect to time and the ideal variation curve of the body temperature signals of the human body in the REM stage with respective to time, determine the human body is in the REM stage when any one or more of the determination results of the five determinations that the difference degree is smaller than or equal to a threshold for the difference degree, that at least one variation of the acceleration signals is larger than the threshold for the variations of the acceleration signals at adjacent times, that the variation of the acceleration signals is not periodic, that at least one variation of the heart rate signals is larger than the threshold for the variations of the heart rate signals at adjacent times and that the variation of the heart rate signals is not periodic is true, and determine that the human body is not in the REM stage when the difference degree is larger than the threshold for the difference

Assignees

• Boe Technology Group Co Ltd

Inventors

• Chen Ruisi

Classifications

• A61M2230/63

  Motion, e.g. physical activity · CPC title

• A61B5/024

  Measuring pulse rate or heart rate · CPC title

• A61M2021/0027

  by the hearing sense · CPC title

• A61M2021/0044

  by the sight sense · CPC title

• A61M2205/3303

  Using a biosensor · CPC title