Grammar fix
sleep on it
decide tomorrow
To wait until the next day before making an important decision.
expression
How oftenCommon
LevelB2
Used inMostly spoken
Hear it in context
Notice where the phrase sounds natural.
The offer sounds good, but I want to sleep on it before I sign anything.
If I had to choose between two universities, I would probably sleep on it rather than decide immediately.
Fix the pattern
One small grammar move makes it sound right.
Not: I need to sleep it over before I decide.
Say: I need to sleep on it before I decide.
The fixed phrase is 'sleep on it', not 'sleep it over'.
Don't confuse it
Other ways to say it
Give a decision some time
How long you takeA whileOvernight
think overConsider an offer, proposal, or choice before answering.mull overTake time to turn an idea or decision over mentally.
sleep on itYou're here · Wait until tomorrow before you decide.