This app helps you determine optimal wake-up and bedtime based on sleep cycles. It calculates ideal times to go to sleep and wake up to feel more refreshed, considering the average 90-minute sleep cycle duration. You can also customize your estimated time to fall asleep.
Summarized from real user reviews of Sleep Cycle Bedtime Calculator. Based on 289 reviews and a 4.1/5 average, it highlights the 9 positives and 9 negatives reviewers mention most about this Health & Fitness app.
1.0.11
September 4, 2026
• Choose from ten new alarm sounds or use the system default. • Tap a calculated bedtime or wake-up time to schedule alarms, in addition to swiping. • Bug fixes and stability improvements.
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SleepCalc Pro
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Thank you! Happy it helps you plan your sleep. Best, Kai
Thank you! Best, Kai
5 issues
Touch screen unresponsive
App settings reset upon closing
9 requests
Add graphs and visual data representations
Integrate with Apple Health or Fitbit data
This app helps you calculate the best times to go to bed and wake up to maximize rest. It's based on the scientific principle of sleep cycles, which are approximately 90 minutes long, and aims to align your sleep schedule with these cycles for better refreshment.
The app uses the duration of sleep cycles (around 90 minutes) to determine optimal times. For example, if you need to wake up at a certain time and aim for 5-6 sleep cycles, it will suggest a corresponding bedtime. You can also input your desired wake-up time and the number of cycles you want to achieve.
Yes, the app allows you to customize your estimated time to fall asleep. Most people take about 15 minutes to fall asleep, and this feature lets you adjust that estimate for more accurate bedtime calculations.
Yes, the application offers support for Apple Watch. This integration may allow for more seamless tracking or interaction with your sleep schedule directly from your wearable device.
The app is available for free and does not appear to have any in-app purchases or advertisements based on the provided information. This means you can use its core functionality without any financial commitment.
