(science fiction) A spaceship, all or some of whose passengers are in suspended animation.

Any of the genus Eleotris of sleeper gobies with a circumglobal distribution in tropical and subtropical regions.

plural of sleeper berth

A person who consistently requires substantially less sleep every day than the customary amount for most people of the same age and developmental level.

Alternative form of short sleeper

An internet account that is created and then not used for a long time after it is created.

plural of sleeper account

plural of sleeper hold

(martial arts, wrestling) A chokehold from behind that restricts blood flow to the brain and can cause the recipient to become unconscious.

Someone who has a tendency to feel too cold when sleeping at night.