Why do doctors recommend 8 hours of sleep, and not 7h30 or 9h

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From what I understand, it’s best to wake up at the end of a cycle, and each cycle is 90 minutes, right?

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Anonymous 0 Comments

Ok so instead of getting a bunch of BS which is what most of the other comments seem to contribute, let me share the conclusions I have come to. Obviously this is just personal conclusions and not much better than the other comments as I won’t be including scientific links, but hey if you’ve read this far good on you.

You sound exactly like me 10 years ago when I first learned about the 90 minute sleep cycle. I like that science and all the articles came to the same conclusion. Then I did the math and had to come up with why it didn’t add up.

I came up with the fact that the average amount of time it takes someone to fall asleep is 30 minutes. I found if I didn’t set an alarm I would wake up close to a sleep cycle and tried to judge how long it took to fall asleep. It almost always came out being the difference between when I fell asleep.

More important than any of the above, all humans are different. It is wonderful you are looking into your sleep as it can literally make or break your life. In college I functioned really well off of 6 hours a night (so really planned for 6.5 hours) I felt on top of the world, but as I got into difficult course load and my efficiency was increasing I found that I was making simple mistakes. I couldn’t figure out why. So I decided to try 8 hours and damn did that make a difference I could focus on very specific items and my mistakes decreased drastically. A couple years later I wanted to test if it was really the sleep so I went back to 6.5 hours and 1 month into it I started to make simple mistakes again.

TLDR; Average time for a person to fall asleep is 30 minutes. Every person is vastly different in needs and ability to sleep. Look at sleep as a form of exercise and take it very seriously.

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