forty winks pl (plural only)
- (idiomatic) A short sleep, an extra sleep, a nap.
- Synonyms: nap, shut-eye, twenty winks; see also Thesaurus:shut-eye
As you're so tired, why not try to catch forty winks before you leave?
1922 February, James Joyce, “[[Episode 16]]”, in Ulysses, Paris: Shakespeare and Company, […], →OCLC:[…] who evidently a glutton for work, it struck him, was having a quiet forty winks for all intents and purposes on his own private account while Dublin slept.
2008, BioWare, Mass Effect (Science Fiction), Redwood City: Electronic Arts, →ISBN, →OCLC, PC, scene: Eden Prime:Powell: I... sometimes I need a nap to get through my shift. I sneak off behind the crates to grab forty winks where the supervisor can't find me.