(games) A children's game in which some participants lie on the floor and attempt to stay motionless, while others try to make them move without physically touching them.

(pathology) A medical disorder of the sleep patterns of a person or animal.

a blindfold made to ease sleeping by covering the eyes to block all light.

(idiomatic, uncountable) Sleep before midnight, on the belief that early sleep hours conduce to health and beauty. / (idiomatic, countable, sometimes humorous) Extra sleep or a special nap.

plural of sleeping policeman

Alternative spelling of beauty sleep

The second sleep of the night in a biphasic sleep pattern, after the watch.

A particularly sound sleep / The first sleep of the night in a biphasic sleep pattern, before the watch.

Third-person singular simple present indicative form of go to sleep

past participle of go to sleep