| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a sleep determination device for determining the sleep condition of a sleeping person based upon a body motion signal of the sleeping person. <P>SOLUTION: This sleep determination device includes a sleeping determination means 41 for determining the sleeping condition of a sleeping person; and an illuminance sensor 39 for detecting the illuminance in a room. When the detected illuminance of the illuminance sensor 39 comes short of a regulated illuminance after the lapse of bed time ta of the sleeping person determined by the sleeping determination means 41, a correction means 43 makes correction to take the time tb when the detected illuminance drops as the bed time. <P>COPYRIGHT: (C)2007,JPO&INPIT |
