Formerly the Sleepytime Sleep Cycle Calculator, this tool will tell you exactly what time to fall asleep and wake up for optimal performance
sleepyti.me is a web-based tool designed to help users calculate the optimal times to go to bed or wake up based on sleep cycles. The site operates on the principle that a good night's sleep consists of 5-6 complete sleep cycles, each lasting about 90 minutes. By timing sleep to end at the completion of a sleep cycle, users can wake up feeling more refreshed and alert.
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Calculates the best time to go to bed based on when you need to wake up.
Determines the best time to wake up based on when you go to bed.
Provides detailed information on how sleep cycles work and why they're important.
Offers several suggested wake-up times to account for different numbers of sleep cycles.
Features a straightforward and easy-to-use interface for quick calculations.
Allows users to access all features without the need to sign up or log in.
Designed to work seamlessly on both desktop and mobile devices.
Developed by a single individual passionate about improving sleep quality.
Ideal for students, professionals, and anyone looking to optimize their sleep schedule.
Free to use with no hidden fees or premium versions.
Highly praised by users for its simplicity and effectiveness in improving sleep quality.
Based on widely accepted sleep science principles regarding REM cycles and sleep stages.
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