SleepyTime: Bedtime Calculator

SleepyTime: Bedtime Calculator


3º of 6 in Rest and Relax

Download free Safe download (3.35 MB)

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Discover the science behind optimal sleep with SleepyTime: Bedtime Calculator. Tailor your sleep schedule for a rejuvenated morning.


Intuitive user interface.
Based on scientific research.
Regular feature updates.
Global availability with no regional restrictions.


Premium features require payment.
Might not be compatible with very old devices.

SleepyTime: Bedtime Calculator is a revolutionary application designed to optimise one’s sleep cycle, ensuring that users wake up feeling refreshed and rejuvenated. This tool calculates the best times to fall asleep or wake up based on sleep cycles, making it an essential companion for those looking to improve their sleep quality. it’s one of the most popular apps for rest and relax, with features ranging from sleep cycle analysis to bedtime recommendations, it’s no wonder this app has gained significant attention in the tech world.

What is SleepyTime: Bedtime Calculator?

At its core, SleepyTime: Bedtime Calculator is a digital tool designed to assist users in determining the optimal times to go to bed or wake up. By doing so, it ensures that individuals don’t interrupt their REM cycle, which can lead to feelings of grogginess. The app uses scientific principles related to sleep cycles, ensuring that its recommendations are both accurate and beneficial.

Available for various platforms, including Android, SleepyTime offers a user-friendly interface combined with a robust set of features. Whether you’re a tech enthusiast or someone simply looking to enhance their sleep routine, this app is bound to impress.

A look at the sleep calculation tool

  • REM Cycle Analysis: SleepyTime bases its calculations on the average REM cycle, which lasts approximately 90 minutes. By determining when a user should wake up in relation to these cycles, it ensures they rise during lighter sleep phases.
  • User-Friendly Interface: The app’s design is intuitive, making it easy for users to input their desired wake-up time or explore various bedtime options.
  • Customisation: Users can adjust settings based on personal preferences, such as setting a bedtime reminder or integrating with other health apps.

SleepyTime for Android: Features and Benefits

Feature Benefit
Platform Integration Seamlessly integrates with Android devices, ensuring a smooth user experience.
Notifications Users receive timely reminders, ensuring they stick to their optimal bedtime.
Dark Mode Reduces screen brightness during the evening, promoting better sleep hygiene.

Benefits of using a Bedtime Calculator

Utilising a bedtime calculator like SleepyTime offers numerous advantages. Firstly, it promotes a consistent sleep routine, which is crucial for maintaining a healthy circadian rhythm. Secondly, by ensuring that users wake up during lighter sleep phases, it reduces feelings of morning grogginess and fatigue.

Moreover, understanding one’s sleep cycles can lead to improved mental clarity, better mood, and enhanced overall health. In today’s fast-paced world, where sleep often takes a backseat, tools like SleepyTime are invaluable.

Optimising sleep hours: Why is it important?

  • Improved Cognitive Function: Adequate sleep is crucial for memory consolidation and problem-solving skills.
  • Mood Regulation: Consistent sleep can help regulate mood swings and reduce the risk of depression.
  • Physical Health: Sleep plays a role in healing and repair of the heart and blood vessels, reducing the risk of chronic diseases.

How to improve sleep quality with SleepyTime

  • Consistency: Stick to a regular sleep schedule, even on weekends.
  • Environment: Ensure your bedroom is dark, quiet, and cool. Consider using earplugs, an eye shade, or a white noise machine if needed.
  • Limit Screen Time: The blue light emitted by phones and computers can interfere with melatonin production, a hormone responsible for sleep.

Tips for a restful sleep

While tools like SleepyTime are invaluable, it’s also essential to follow best practices for a restful sleep. From creating the right environment to understanding the science behind sleep, there are several strategies one can employ.

Remember, quality sleep is not just about quantity. It’s about understanding your body’s needs and creating a routine that caters to them.

Determining the best «time to go to sleep»

  • Understand Your Body: Everyone has a unique circadian rhythm. Listen to your body and identify signs of sleepiness.
  • Avoid Caffeine: Limit caffeine intake in the evening. It can interfere with your ability to fall asleep.
  • Relaxation Techniques: Consider meditation or reading a book to relax before bed.

Using SleepyTime to calculate your ideal sleep hours

  • Input Data: Enter your desired wake-up time or explore various bedtime options.
  • Follow Recommendations: Stick to the app’s recommendations for optimal results.
  • Adjust as Needed: If you find yourself feeling groggy, adjust your bedtime slightly until you find the perfect balance.

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  • How does SleepyTime calculate optimal sleep times?

  • Can I adjust the sleep cycle length in the app?

  • Does SleepyTime offer any integration with other health apps?

Ratings about SleepyTime: Bedtime Calculator

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Additional details


3.35 MB

Latest version




Total Downloads


Works with

Android 2.3, 3.1, 4.0, 4.1, 4.2, 4.3, 4.4, 5.0


7 years and 9 months ago


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