To delay making a decision until the next day, allowing time for more careful thought.
Don't decide right now — wait until tomorrow after you've slept.
2 meanings, ordered from most common to least. Color-coded by CEFR level.
To wait until the next day before making a decision, so you can think about it more clearly.
"The salary offer is tempting, but I'd like to sleep on it before I give you my answer."
Let me sleep on it.
— Common English idiom; widely documented in everyday speech and literature
To literally sleep while resting on a surface or object.
"He slept on the couch because the guest room was taken."
To sleep on top of something — to rest while something sits beneath your thoughts.
Don't decide right now — wait until tomorrow after you've slept.
Almost always used with decision-related nouns: 'an offer', 'a decision', 'it'. The phrase 'let me sleep on it' is extremely formulaic and common in everyday speech and business contexts.
Natural word combinations native speakers use most often.
The five tense forms you'll use most often.
Listen to native speakers using "sleep on" in real YouTube videos — click a clip to watch it on Looplines.
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