Wake-up window: this formula will help you accurately calculate the right time to go to bed

You have probably noticed that sometimes even after having slept for the prescribed 8 hours, you get up in the morning completely broken and as if already tired. Maybe the point is that you just don’t take into account the sleep cycles and the alarm clock starts ringing just when the body is not ready as much as possible.

To begin, remember that during the night our brain goes through several sleep cycles at the same time, which always take place according to the same scenario. Everything begins with shallow sleep, which turns into deep sleep, and he, in turn, again returns to shallow sleep. The duration of each of these cycles is 90 minutes. Following this logic, if you wake up at the end of one of these cycles, you will feel light in your head and happy in your body.

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A simple formula will help you calculate what time you should go to bed to coincide with these cycles. The most important input will be the rise time, from which you will have to gradually subtract an hour and a half.

To make it easier, let’s look at a specific example. If you have to get up at 6:30 in the morning, calculate the favorable time for going to bed by subtracting an hour and a half from this figure. So, at 11:00 p.m. or 12:30 a.m. you absolutely have to be in bed, at least if you plan to wake up in a good mood!

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