# cycles

> Browse 2 items tagged with cycles.

## Items

- [Ultraworking WorkCycles](https://timetrack.works/items/ultraworking-workcycles) — An extreme productivity technique using 30-minute focused work blocks followed by 10-minute recovery periods. Participants break down goals into achievable pieces, track progress in spreadsheets, and re-evaluate every cycle, often achieving 25-400% productivity improvements through structured accountability.
- [Ultradian Rhythm Method](https://timetrack.works/items/ultradian-rhythm) — Science-based productivity approach using natural 90-120 minute body cycles discovered by Nathaniel Kleitman. Research shows 40% higher productivity when aligning work with these cycles, with breaks after each 90-minute block.

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