Sleeping Process

Sleep calculation

As explained in the video, you better wake up at the end of a sleep cycle (5 or 6 cycles per night) in order to feel rested and not having to wake while still in deep sleep. Luckily there are ways to manage this, for example by calculating your sleep. A sleep calculation is based on three things: 

      1. your wake-up time,
      2. completing five or six 90-minute sleep cycles,
      3. allowing yourself 15 minutes to fall asleep.

Thus, to be able to calculate at what time you better go to bed in order to find out when to wake up and feeling rested, you keep in mind at what time you have to wake up but also how many hours you need, the 90-minute sleep cycles and the time to fall asleep (15 minutes).

Knowing this, you can easily calculate your sleep. As many of you, adults, target somewhere between 7 to 9 hours of sleep, we have made a table to help you out. If you aim for 7,5 hours or 9 hours of sleep and have to wake up somewhere between 4 a.m. and 9 a.m., you can read from the table at what time to go to bed:

Although it is nice to not wake up in the middle of your deep sleep or REM sleep, it is still more important to work around your sleep quality and quantity. So, think about your sleep cycles but give priority to the quality and quantity of your sleep.

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