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नींद चक्र कैलकुलेटर, पोमोडोरो टाइमर, अंतराल टाइमर और दिनचर्या सहायक।

Sleep Cycle Calculator

Calculate optimal bedtimes or wake-up times aligned with 90-minute human sleep cycles.

Suggested Bedtimes

9:46 pm
6 cycles (9.0h sleep)
Optimal
11:16 pm
5 cycles (7.5h sleep)
Optimal
12:46 am
4 cycles (6.0h sleep)
2:16 am
3 cycles (4.5h sleep)
Important notice: Calculations assume an average of 14 minutes to fall asleep (sleep latency) and standard 90-minute ultradian sleep stages. These calculations are estimations intended for general wellness and routine planning, not medical diagnosis or clinical treatment.

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