Sleep Calculator

Calculate ideal bedtimes and wake-up times for better sleep.

The Sleep Calculator is a comprehensive tool designed to help you optimize your sleep schedule for improved rest and productivity. It allows you to calculate the ideal times to go to bed, wake up, or take a nap, based on your personal preferences and sleep cycle patterns.

🔹 Key Features:
• Calculate ideal bedtime for your desired wake-up time
• Find optimal wake-up times if you go to sleep now
• 90-minute sleep cycle science for better rest
• Two-column grid layout for easy time comparison
• Dark theme for comfortable nighttime use
• Sleep optimization tips for better rest
• Nap Calculator: Find the best nap durations to recharge without feeling groggy.
• History Tracking: Keep track of all your previous calculations and easily revisit past results.


Simply enter when you want to wake up, and Sleep Calculator will show you the best times to fall asleep to complete full sleep cycles. Or calculate when to wake up if you're going to bed now.

Based on sleep science:
• Each sleep cycle lasts 90 minutes
• Most adults need 5-6 complete cycles (7.5-9 hours)
• Waking between cycles helps you feel refreshed

The app's clean interface and responsive design make it easy to use anytime, anywhere. Perfect for travelers, students, shift workers, and anyone who wants to optimize their sleep schedule.


Download Sleep Calculator today and wake up feeling refreshed!"