sleep on

US /sliːp ɑːn/
UK /sliːp ɑːn/
"sleep on" picture
1.

하룻밤 자면서 생각하다, 심사숙고하다

to delay making a decision about something important until the next day, so that you have more time to think about it

:
I'll sleep on it and let you know my decision tomorrow.
하룻밤 자면서 생각해보고 내일 결정 알려줄게.
It's a big decision, so take your time and sleep on it.
중요한 결정이니까 시간을 갖고 하룻밤 자면서 생각해봐.