A precision Pomodoro-style timer for deep work. Protect your peak cognitive hours and build an unbreakable focus practice.
Working in focused sprints with scheduled breaks leverages your brain's ultradian rhythm — natural 90-minute cycles of peak alertness. Short sessions of 20-30 minutes minimize cognitive fatigue while maximizing concentration. Each completed session releases a small dopamine reward, reinforcing the habit loop over time.
Read: The Science of Deep Work →The Brain Song is an audio-based brain-performance program built around brainwave-entrainment music for a short daily session. The effects are modest and vary between people, and it is not a medical treatment.
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