(n.) Walking in one's sleep.

amnesia beauty sleep beddy-bye bedtime blanket drill bye-bye catalepsy cataplexy catatonic stupor daydreaming daze doze dream state dreamland drowse fitful sleep fugue fugue state hibernation hypnotic trance land of Nod light sleep night-wandering nightwalking noctambulation noctambulism noctivagation repose reverie shut-eye silken repose sleep sleepland sleepwalk slumber slumberland snoozle somnambulant somnambulism somniloquy somnus stupor trance unconsciousness winter sleep