Demo

Sleep Cycle Calculator

Find the best time to sleep or wake up for complete sleep cycles

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Choose what you want to calculate
Enter your target time

📚 How To Use the Calculator

  1. Choose Option: Select whether to calculate bedtime or wake time
  2. Set Time: Enter your target wake up or sleep time
  3. Calculate: Get optimal times for complete sleep cycles

💎 Sleep Tips

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Complete Cycles

Each sleep cycle lasts 90 minutes. Waking at cycle end feels more refreshing.

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Sleep Hygiene

Avoid screens 1 hour before bed and keep your bedroom cool and dark.