Sleep time calculator

Struggle with wake-up and bedtime? Our Sleep Time Calculator has you covered.

I have to wake up at...


I will go to sleep at...


If you want to go to bed now...

Wake-up time

If you decide to go to sleep at , aim to wake up at one of the designated times:


To ensure a refreshed awakening at , it is recommended to go to sleep at one of the specified times:

    • The typical time for a person to fall asleep is 15 minutes.
    • Rising at any of these times will coincide with the completion of a 90-minute sleep cycle.
    • An optimal night's sleep comprises 5-6 full sleep cycles.

    Calculate Wake-Up Time:

    Say goodbye to oversleeping and hello to a refreshed morning. Input your wake-up time, and we'll optimize your alarm for a better start to the day.

    Calculate Bedtime:

    No more bedtime guesswork. Let us help you find the perfect time to hit the hay based on your wake-up schedule.

    Reclaim your sleep with our Sleep Time Calculator. Start today and wake up ready for anything!

    • Deep sleep, also known as slow-wave sleep, is crucial for physical restoration and typically occurs in the earlier part of the night.
    • REM (Rapid Eye Movement) sleep, vital for cognitive function and dreaming, tends to dominate the later part of the sleep cycle.
    • Avoiding caffeine and electronic devices before bedtime can contribute to better sleep quality.
    • Consistency in sleep schedule, including weekends, helps regulate the body's internal clock.