[period of rest for the body and mind during which volition and consciousness are in partial or complete abeyance and bodily functions are partially suspended; a behavioral state marked by a characteristic immobile posture and diminished but readily reversible sensitivity to external stimuli. ( CSP )]
UMLS (CSP) C0037313 Relation/PAR: psychic activity level
Relation/CHD: dream
sleep deprivation
dreaming sleep