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.

especially, African sleeping sickness, an endemic infectious disease of humans and animals in tropical Africa, caused by a parasitic trypanosome, transmitted by the tsetse fly and characterized by fever, severe headache, joint pains and lymph node swelling in the early stages, followed by a neurological phase of extreme weakness, sleepiness, and deep coma leading to death

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

The required digital dexterity behind magic tricks and illusions. / A performance of such skill. / (by extension, idiomatic) Any form of skillful deception.

A group of people (sleepers) who inconspicuously remain dormant in a community until activated, by a prearranged signal, to perform acts of espionage, sabotage, and/or terrorism.

The sleazy or sordid aspect of a political situation. / The corrupt or tainted element of a political party or administration.

(slang) A morally reprehensible, disreputable, or sleazy person.

(rail transport) A railroad car with sleeping facilities for passengers travelling overnight.

(computing) the state of a computer system in which the drives and interfaces are switched off, and the only task running is monitoring external activity, particularly a key press which restores the system to its active state from the random access memory.