rapid eye movement sleep vs sleep

sleep vs rapid eye movement sleep

rapid eye movement sleep and sleep both are nouns.

rapid eye movement sleep is not a verb while sleep is a verb.

Word	Noun	Adjective	Verb	Adverb
rapid eye movement sleep	Yes	No	No	No
sleep	Yes	No	Yes	No

As nouns, sleep is a hypernym of rapid eye movement sleep; that is, sleep is a word with a broader meaning than rapid eye movement sleep:

rapid eye movement sleep: a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep
sleep: a natural and periodic state of rest during which consciousness of the world is suspended

Other hypernyms of rapid eye movement sleep include slumber.

rapid eye movement sleep (noun)	sleep (noun)
a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep	a natural and periodic state of rest during which consciousness of the world is suspended
	euphemisms for death (based on an analogy between lying in a bed and in a tomb)
	a torpid state resembling deep sleep
	a period of time spent sleeping

rapid eye movement sleep (verb)	sleep (verb)
	be asleep
	be able to accommodate for sleeping

Difference between rapid eye movement sleep and sleep

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