Synonyms and related words :
beauty sleep, beddy-bye, bedtime, blanket drill, bye-bye, dorm, doze, dreamland, fitful sleep, hibernation, land of Nod, light sleep, nap, oversleep, repose, saw logs, saw wood, shut-eye, silken repose, sleep, sleep soundly, sleepland, sleepwalking, slumber, slumberland, snoozle, snore, somnambulism, somniloquy, somnus, take a nap, unconsciousness, winter sleep