Sleep Calculator Zone
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Optimize Your Sleep Cycle
Understanding Sleep Cycles
90-Minute Cycles
Sleep occurs in cycles of approximately 90 minutes. Waking up at the end of a cycle helps you feel more refreshed and alert.
Fall Asleep Time
It typically takes 15 minutes to fall asleep. Our calculations account for this transition time.
Optimal Sleep
Most adults need 5-6 complete sleep cycles (7.5-9 hours) for optimal rest and recovery.
Consistency
Maintaining a consistent sleep schedule helps regulate your body's internal clock for better sleep quality.