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Sleep Calculator

I want to wake up at...

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I plan to go to bed at...

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I want to go to sleep now...

Calculate the best time to wake up if you go to sleep right now

Looking for the best time to wake up without feeling refreshed and energized? Our sleep calculator suggests ideal bedtimes and wake-up times based on 90-minute sleep cycles. We keep things simple, so you can rest well and greet the day with a clear mind.

How It Works?

When you time your rest around complete sleep cycles, you avoid waking up in the middle of deep sleep. Try our calculator to find your perfect window for bedtime or wake-up. With a few clicks, you’ll see suggestions that help you feel refreshed each morning. It’s fast, straightforward, and easy to use.