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ss7ja [257]
4 years ago
14

Operational definition for sleep

Biology
1 answer:
Diano4ka-milaya [45]4 years ago
6 0
Sleep is the state of rest of the brain and body where physiological processes take place. More observably, the eyes close and the brain enters into a state of unconsciousness, either completely or partially. Moreover, sleep is guided by sleep/wake cycles and circadian rhythm.
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