抄録
Sleep is absolutely essential for a healthy living. Many studies have been devoted to clarify the mechanism of sleep. Especially, the relations between good sleep and temperature in the bed have been a focus of attention. The purpose of this research was to control the temperature in the bed for improvement in the quality of sleep. We warmed up the inside of bed just before falling asleep. In the result, we succeeded in promote the falling asleep and increase SWS time.
