Wake Up Time Calculator

Enter your details below and get instant results

Enter the bedtime hour (0-23) to calculate
Enter the bedtime minute (0-59) to calculate

Wake Up Time Calculator

Calculate optimal wake-up times based on 90-minute sleep cycles. Wake up between cycles to feel refreshed.

How to Use

  • Enter when you plan to go to bed
  • Click Calculate to see ideal wake-up times
  • Each option ends at a natural sleep cycle completion
Lifestyle 2 views Updated: Jul 2026

Formula

Sleep cycles = 90 min; ideal = 5-6 cycles

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