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Sleep Cycle Calculator
Plan your sleep around natural 90-minute sleep cycles.
Sleep Cycle Calculator
Sleep Cycle Calculator
Wake up between cycles to feel refreshed
:
Selected: 10:00 PM
3 cycles (4.5h)5 (7.5h)7 cycles (10.5h)
0 min30 min60 min
How This Tool Works
The Sleep Cycle Calculator uses evidence-based sleep science to provide you with personalized recommendations. Simply enter your information above and get instant results.
This tool is designed to give you a starting point for understanding your sleep patterns. For persistent sleep issues, we recommend consulting with a qualified healthcare provider.
Frequently Asked Questions
How accurate is the Sleep Cycle Calculator?
This tool uses clinically-informed algorithms and sleep science research. While it provides helpful estimates, individual results may vary. Always consult a professional for medical decisions.
Can I save my results?
Result saving will be available in a future update. For now, we recommend taking a screenshot or writing down your results.
Is my data stored?
No. All calculations are done in your browser. We do not store any personal health data you enter into this tool.