90 Minute Timer

Ninety minutes fits one sleep cycle, a lecture, or a full block of deep focus. Press start to count down from 90:00; an alarm sounds when time's up.

1:30:00

Space: start/pause · R: reset · F: fullscreen · Esc: exit fullscreen

Open the full timer

Good for

  • One sleep cycle nap
  • A 90-minute deep-work block
  • One lecture or class
  • A movie or long workout
  • Timed mock exam