/ Thesaurus / G Synonyms of go to sleep Find synonyms for: Verb1. go to bed, turn in, bed, crawl in, kip down, hit the hay, hit the sack, sack out, go to sleep, retireusage: prepare for sleep; "I usually turn in at midnight"; "He goes to bed at the crack of dawn"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: fortuitous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language