Sleep Calculator
Free Sleep Calculator — calculate and compare options instantly. No signup required.
Best Bedtime (6 cycles, 9 hrs)
9:45 PM
9 hours of sleep – 6 cycles (recommended)
Good Bedtime (5 cycles, 7.5 hrs)
11:15 PM
Minimum Bedtime (4 cycles, 6 hrs)
12:45 AM
Recommendation
Adults should aim for 5-6 complete sleep cycles (7.5-9 hours) per night.
How to Use the Sleep Calculator
- 1. Enter your values — fill in the input fields with your numbers.
- 2. Adjust settings — use the sliders and selectors to customize your calculation.
- 3. View results instantly — calculations update in real-time as you change inputs.
- 4. Compare scenarios — adjust values to see how changes affect your results.
- 5. Share or print — copy the link, share results, or print for your records.
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