sleep vs dream

sleep and dream both are nouns.

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

sleep (noun)	dream (noun)
a natural and periodic state of rest during which consciousness of the world is suspended	a series of mental images and emotions occurring during sleep
euphemisms for death (based on an analogy between lying in a bed and in a tomb)	imaginative thoughts indulged in while awake
a torpid state resembling deep sleep	a fantastic but vain hope (from fantasies induced by the opium pipe)
a period of time spent sleeping	a state of mind characterized by abstraction and release from reality
	a cherished desire
	someone or something wonderful

sleep (verb)	dream (verb)
be asleep	have a daydream; indulge in a fantasy
be able to accommodate for sleeping	experience while sleeping