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
hour
time of day
lights-out
mealtime