Phrase of the day

Discover a new phrase each day to use in your English! These are special phrases and sayings that English speakers use all the time, but you don't often see these phrases in English course books or other study material. Visit daily to learn some popular English phrases on a regular basis.
21st September 2025

Sleep on it

We use this expression to say that someone should not decide on something now, but should make a decision tomorrow - after thinking about it calmly.
Usage
Written: 
Yes
Spoken: 
Yes
Formal: 
Yes
Informal: 
Yes
Example 1
You don't have to decide now. Sleep on it.
Thanks. It's a big decision. I don't want to make a mistake.
Example 2
So, do you want the job with the higher salary, or the one which is more interesting?
I don't know. I'm going to sleep on it.

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