Sleep Cycle Calc
Daniel Smith / J2J Studio
About this app
- Age 10
- Updated Aug 18, 2025
- OS IOS / Android
Editor reviews
Sleep Cycle Calc is a lightweight sleep cycle calculator and tracker that helps you plan sleep times to wake up feeling refreshed. Core features: calculate optimal bedtimes and wake times based on 90-minute sleep cycles, log basic sleep duration and patterns, and set reminders or alarms with optional Health/Google Fit integration. Advantages include a simple one-screen workflow, customizable cycle length, and fast recommendations for shift workers, students, and busy parents. Keywords: sleep cycle calculator, sleep tracker, sleep analysis, sleep schedule.
Screenshots
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How to use:
1. Download and open the app and grant any requested permissions.
2. Enter your desired wake time or bedtime and select a sleep cycle length (default 90 minutes).
3. Tap Calculate to view recommended bedtimes or wake times and choose to set an alarm or reminder.
4. Use the sleep log to track history and enable Health/Google Fit integration for deeper analysis and personalized suggestions.