1. (n.) The ringing of an evening bell, originally a signal to the inhabitants to cover fires, extinguish lights, and retire to rest, -- instituted by William the Conqueror; also, the bell itself.

2. (n.) A utensil for covering the fire.

beauty sleep beddy-bye blanket drill bye-bye curfew doze dreamland drowse eleventh hour fitful sleep hibernation land of Nod light sleep repose shut-eye silken repose sleep sleepland sleepwalking slumber slumberland snoozle somnambulism somniloquy somnus unconsciousness winter sleep