how to sleep

Sleep is a naturally recurring state of mind characterized by altered consciousness, relatively inhibited sensory activity, inhibition of nearly all voluntary muscles, and reduced interactions with surroundings.[1] It is distinguished from wakefulness by a decreased ability to react to stimuli, but is more easily reversed than the state of hibernation or of being comatose. Mammalian sleep at night happens in reproducing periods, in which the physique alternates in between two remarkably unique modes called no-REM and REM sleep. REM represents "quick eyes activity" but consists of a number of other aspects such as online paralysis of the physique. how to sleep