Move, eat & sleep · about 2 min
Sleep Calculator & Log
Work out when to go to bed for a wake time (or when to wake for a bedtime) using sleep cycles, then log your nights to see your average, your sleep debt and how steady your schedule is.
- Free, no sign-up
- Saved only on this device
- Export anytime
What you get
- Bedtime and wake-time calculator based on sleep cycles
- Wind-down reminder time
- Seven-day log with sleep debt
- Consistency score for bedtime and wake time
Your entries are saved in this browser only. They are never sent to us. Clear your browser data or use Your data on the dashboard to export, import or erase them.
General information, not medical advice
This tool gives general estimates and ideas for healthy adults. It is not medical advice and does not diagnose, treat or prescribe. Talk to a doctor before starting a new exercise or eating plan, especially if you have a health condition, are pregnant, or have a history of disordered eating. If something hurts or feels wrong, stop.