Sleep on it

Meaning

This means to take your time and think about a big decision overnight before acting. It suggests that your subconscious mind might offer a better perspective by morning.

Prudent, wise

Used in a sentence

• I am not ready to buy this car today, so I think I will sleep on it.
• It is a big promotion, but I would suggest you sleep on it first.
• Don't commit to that wedding venue yet; just sleep on it tonight.