sleeping room vs chamber

sleeping room and chamber both are nouns.

Word	Noun	Adjective	Verb	Adverb
sleeping room	Yes	No	No	No
chamber	Yes	No	Yes	No

As nouns, sleeping room and chamber are synonyms defined as:

Other synonyms of sleeping room include bedchamber, bedroom, sleeping accommodation.

sleeping room (noun)	chamber (noun)
a room used primarily for sleeping	a natural or artificial enclosed space
	a room used primarily for sleeping
	a room where a judge transacts business
	an enclosed volume in the body
	a deliberative or legislative or administrative or judicial assembly

sleeping room (verb)	chamber (verb)
	place in a chamber