Sleep Cycle Calc

5+
Downloads
Content rating
Everyone
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

Tired of hitting the snooze button and waking up feeling groggy and unrested? It's time to change your mornings forever with SleepCalculator!

Our app is built on the proven science of sleep cycles. The average person sleeps in cycles of 90 minutes. Waking up in the middle of a cycle can make you feel tired, but waking up between cycles leaves you feeling refreshed and alert. SleepCalculator does the math for you!

**KEY FEATURES:**

* **SMART BEDTIME CALCULATOR:** Simply pick the time you want to wake up, and we'll show you several optimal bedtimes to choose from. Plan your evening perfectly.

* **INSTANT WAKE-UP TIMES:** Feeling tired and want to go to bed right now? We'll tell you the best times to set your alarm to rise from a light sleep.
Updated on
Jul 3, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

Wake up feeling refreshed, not groggy! Calculate the perfect time to sleep based on your natural sleep cycles. Start your day energized.