The condition of being kept awake and not getting enough sleep (perhaps forcibly by someone else, or by a sleep disorder), to the point of noticeably lower alertness.

present participle of sleep together

(pathology) Brief interruptions of breathing during sleep.

(transitive) To cause (someone) to sleep. / (transitive) To help (someone) to bed; put to bed. / (transitive, figuratively) To render dormant.

plural of sleeping bag

plural of sleeping tablet

(pharmacology) A sleeping pill.

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

A padded or insulated bag large enough to surround the whole body and which keeps the user warm while sleeping, used as a substitute for bedclothes.

(idiomatic, reciprocal, euphemistic) To have sex with each other. / (idiomatic, reciprocal, euphemistic) To be intimate with each other in the same bed.