Meanings

sleep deprivation

idiopathic hypersomnia

posthypnotic suggestion

hypnotic suggestion

(extreme) sleepiness during pregnancy

dormant state

hypnagogic hallucination

sleep induction disorder

sleeping

African sleeping sickness

feigned sleep

National Sleep Foundation

Japanese Society of Hypnosis

Japanese Society of Sleep Research

Sleeping Beauty (ballet by Tchaikovsky)

sound sleep

the first sleep (of silkworms)

nap

eternal sleep