The old man has symptoms such as sleep not asleep. Time to sleep for long periods, sleep, deep sleep, and the sleep is not all this is because of the speed and the other at the receiver's body degenerate into.
Seniors have symptoms such as sleep. Takes a long time to start. Shorter sleep duration Deep sleep And go to bed early This is because the light and the other the receiver. Deterioration in the body
The elderly are symptoms, such as sleep takes to start sleeping long periods of sleep, sleep is not deep หลับสั้น down and went to bed early. This is because the photosensitive device and receiver etc. in body deteriorate.