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5 Minute Timer Productivity

90 Minute Timer: The Science of Your Brain’s Natural Focus Cycle

A person working at a desk using a 90 minute timer to achieve deep focus and high productivity.

Discover why 90-minute focus sessions match your brain's natural rhythm. Science-backed strategies to write 2,000+ words, boost productivity by 150%, and achieve deep work without burnout.

Dwayne Dixon
April 13, 2026