Title:
睡眠判定装置、睡眠判定方法、および、睡眠判定プログラム
Document Type and Number:
Japanese Patent JP6727432
Kind Code:
B2
Abstract:
An object of the present invention is to provide a sleep determination apparatus, a sleep determination method, and a sleep determination program that provide an accurate and detailed determination of a sleep stage.A sleep determination apparatus of the present invention comprising: a heart rate data obtaining means for obtaining, based on data regarding a heart rate of a body of a user, a very low frequency component (VLF), a ratio of a low frequency component (LF) to a high frequency component (HF), a mean heartbeat interval (RRI), and a standard deviation of each heartbeat interval (RRI) of the heart rate as heart rate variability parameters indicating a heart rate state; and a sleep state determining means for determining which of the first non-REM sleep stage or the second non-REM sleep stage the heart rate variability parameters of the user indicate, in accordance with a first determination condition that is set based on a correlation between the heart rate variability parameters and the first non-REM sleep stage and a second determination condition that is set based on a correlation between the heart rate variability parameters and the second non-REM sleep stage.
Inventors:
Yasue Mitsukura
Masato Yasui
Fukunaga Koichi
Shunji Furukawa
Masato Yasui
Fukunaga Koichi
Shunji Furukawa
Application Number:
JP2019521358A
Publication Date:
July 22, 2020
Filing Date:
June 04, 2018
Export Citation:
Assignee:
Keio University
International Classes:
A61B5/16; A61B5/0245
Domestic Patent References:
| JP2013202121A | ||||
| JP201265853A | ||||
| JP201614542A |
Foreign References:
| US20150190086 | ||||
| WO2018042566A1 |
Attorney, Agent or Firm:
Yasuhiro Bono