have an early night

have an early night

To go to sleep earlier than one typically does. You need to have an early night tonight so that you're rested for your exam tomorrow.
See also: early, have, night
Farlex Dictionary of Idioms.

have an early/a late ˈnight

go to bed earlier or later than usual: I’d better have an early night if I want to get up at 6 o’clock. I’ve had a lot of late nights recently.
See also: early, have, late, night
Farlex Partner Idioms Dictionary
See also:
  • bright and early
  • the early bird catches the worm
  • early bird catches the worm
  • early bird catches the worm, the
  • early doors
  • early bird
  • an early bird
  • I'm with you
  • the early hours (of the night/morning)
  • the small/early hours
References in periodicals archive
Postman Cantley's having to cope with the Christmas rush and, win or lose, he'll have an early night after the game.