Sleep Cycle Calculator
Find the best time to sleep or wake up for complete sleep cycles
📚 How To Use the Calculator
- Choose Option: Select whether to calculate bedtime or wake time
- Set Time: Enter your target wake up or sleep time
- Calculate: Get optimal times for complete sleep cycles
💎 Sleep Tips
Complete Cycles
Each sleep cycle lasts 90 minutes. Waking at cycle end feels more refreshing.
Sleep Hygiene
Avoid screens 1 hour before bed and keep your bedroom cool and dark.