Pomodoro vs the 90-minute cycle

The Pomodoro Technique, 25 minutes of work then a 5-minute break, is a great on-ramp to focus. But 25 minutes is often just long enough to get started before the timer pulls you out. The 90-minute cycle works with your brain's natural ultradian rhythm instead.

In short

Pomodoro uses 25-minute work intervals and 5-minute breaks. The 90-minute cycle follows your brain's natural ultradian rhythm: about 75 minutes of focused work then 15 minutes of recovery. Both beat working with no structure. The 90-minute cycle is built for people doing sustained, complex work that requires deep focus.

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How they compare

  • Pomodoro: 25 minutes on, 5 off. Good for beating procrastination on small tasks.

  • The 90-minute cycle: about 75 minutes on, 15 off. Long enough to reach deep work, short enough to sustain.

  • Pomodoro chops deep work into pieces. The 90-minute cycle protects a full block of it.

  • Both beat working with no structure at all. The cycle is built for people doing real, sustained work.

If Pomodoro got you started, the 90-minute cycle is the upgrade. Ultradia runs every room on it.

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