Alarm clock that is sleep-phase sensitive comprises a computer and an external device for monitoring brain currents so that a user can be woken within a given period during a light-sleep phase

摘要

Sleep-phase sensitive alarm clock comprises an alarm clock, an external device for measuring brain currents and an internal controlling computer. The alarm clock is operated as follows: a waking time interval is set for and the brain current is measured using a measurement instrument incorporated in the pillow, etc. When a light sleep phase is detected within the waking time interval, the alarm is triggered.