AP PSYCHOLOGY

Detailed explanation-1: -Sleep Periodic, natural loss of consciousness-as distinct from unconsciousness resulting from a coma, general anesthesia, or hibernation.

Detailed explanation-2: -sleep a periodic, natural loss. of consciousness–as distinct. from unconsciousness resulting. from a coma, general anesthesia, or hibernation. (

Detailed explanation-3: -Sleep:a periodic, natural loss of consciousness. Throughout the night, the body experiences many sleep cycles, each one lasting around 90 minutes.

Detailed explanation-4: -Technically speaking, sleep is a periodic, natural, reversible and near total loss of consciousness, meaning it’s different than hibernation, being in a coma, or in say, an anesthetic oblivion.

Detailed explanation-5: -During normal sleep, a person goes through four to five sleep cycles that last about 90 minutes each and include both REM sleep and non-REM sleep (light to deep sleep). Also called rapid eye movement sleep.