Sleep Cycle Calculator
Calculate optimal sleep and wake times to wake naturally during light sleep
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One sleep cycle is about 90 minutes, and it takes about 14 minutes to fall asleep. Aim for 5-6 complete cycles (7.5-9 hours).
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Sleep Hygiene Tips
| Recommendations | Description |
|---|---|
| Consistent Schedule | Go to bed and wake up at the same time daily, including weekends, to establish a stable circadian rhythm |
| Avoid Caffeine | Avoid coffee, tea, cola, and other caffeinated drinks 6 hours before bed |
| Reduce Blue Light | Reduce use of phones, computers, and other blue-light devices 1 hour before bed |
| Suitable Environment | Keep bedroom cool (18-22°C), quiet, dark, and use comfortable bedding |
| Regular Exercise | Regular daytime exercise improves sleep quality, but avoid intense exercise 2 hours before bed |
| Relaxation Ritual | Establish a bedtime relaxation routine like reading, meditation, or bathing to prepare body and mind for sleep |
Recommended Sleep Duration (Adults)
7 - 9 hours
Sleep Cycle Length
90 minutes
Average Time to Fall Asleep
14 minutes
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Financial Disclaimer
The results of this tool are for reference only and do not constitute investment advice. Actual values may vary due to financial institution policies, interest rate changes, and individual circumstances. Please consult a professional financial advisor before making any financial decisions.