sleep on
US /sliːp ɑːn/
UK /sliːp ɑːn/

1.
pensar sobre isso, consultar com a almofada
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.
Vou pensar sobre isso e te avisarei minha decisão amanhã.
•
It's a big decision, so take your time and sleep on it.
É uma grande decisão, então não tenha pressa e pense bem.