Sleep on it

/ˈsliːp ɒn ɪt/

English idiom, everyday. To wait until the next day before making a decision.

Draft Not yet checked by a native English speaker.

How do people use Sleep on it?

Everyday English, polite enough for a business meeting. It’s the friendly way to delay an answer: “let me sleep on it”, “I’ll sleep on it and call you tomorrow”. You can swap “it” for the decision itself (“sleep on the offer”).

Also said sleep on something

Sleep on it in real sentences

Where does Sleep on it come from?

The picture is literal: you go to bed with the question and answer it in the morning. English Wiktionary gives no etymology or early quotation for it, and no dated first use is recorded.

Mistakes learners make with Sleep on it

Mixing it up with the newer slang “sleep on”, which means to overlook something good (“don’t sleep on this album”). “I slept on your idea” can sound like you ignored it, so say “I’ve slept on it” when you mean you thought it over.

Other English idioms like Sleep on it

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