An instance of sleeping in, sleeping late, sleeping until one feels fully refreshed rather than rising at a prespecified time.

Third-person singular simple present indicative form of sleep in

(obsolete) asleep

present participle of sleep with

Third-person singular simple present indicative form of sleep with

Used other than figuratively or idiomatically: see deep, sleep. / (rare, fiction) Artificially induced hibernation in humans for the purpose of long distance space travel.

A fairy tale originally titled La Belle au bois dormant by Charles Perrault. / The main character in this story, who is in unbroken slumber under a magical spell, awaiting the kiss of a prince.

Alternative form of sleeping beauty (Oxalis corniculata).

The stage of sleep during which most brain activity and dreams occur, characterised by rapid eye movement (REM).

The normal paralysis of the body that occurs during REM sleep.