Sleep Cycle Calculator

Find your optimal sleep and wake times based on natural sleep cycles

Want to wake up more refreshed?

Want to improve your sleep quality and wake up feeling more refreshed? This guide breaks down five science-backed sleep health tips , from understanding 90-minute sleep cycles to maintaining a consistent sleep schedule. Learn how much sleep adults really need, how long it takes to fall asleep, and why timing your wake-up matters. Perfect for anyone looking to optimize their rest using practical, research-based insights. Read the full article to start sleeping smarter tonight.