Plan optimal bedtimes or wake-up times based on 90-minute sleep cycle windows.
SLEEP RHYTHM
Generate bedtime or wake-up recommendations around cycle windows and sleep latency.
How It Works
Choose planning direction.
24h HH:MM format.
Average time to fall asleep.
Typical sleep cycle length.
Timezone for schedule output.
Quick Presets
Run the tool to view computed outputs, explanation steps, and tables.