NREM sleep vs sleep

sleep vs NREM sleep

NREM sleep and sleep both are nouns.

NREM sleep is not a verb while sleep is a verb.

Word	Noun	Adjective	Verb	Adverb
NREM sleep	Yes	No	No	No
sleep	Yes	No	Yes	No

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

NREM sleep: a recurring sleep state during which rapid eye movements do not occur and dreaming does not occur; accounts for about 75% of normal sleep time
sleep: a natural and periodic state of rest during which consciousness of the world is suspended

Other hypernyms of NREM sleep include slumber.

NREM sleep (noun)	sleep (noun)
a recurring sleep state during which rapid eye movements do not occur and dreaming does not occur; accounts for about 75% of normal sleep time	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

NREM sleep (verb)	sleep (verb)
	be asleep
	be able to accommodate for sleeping

Difference between NREM sleep and sleep

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