If a sleep cycle is approximately 90 minutes, how can 8 hours be the recommended sleep time?

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Isn’t waking up mid-cycle sub optimal?

In: 8

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Anonymous 0 Comments

It’s not about cycle lenght, but depth.

Every cycle is less and less deep.

In 8 hours you are rested enough to get up and perform. You had enough cycles that you won’t care to break a light one. May be finished or in the middle of it, it won’t be that deep to get out well.

The shorter you sleep the harder is the effect of waking up mid-cycle.

On the shorter end, you sleep 20 minutes so you don’t even start a cycle, or you sleep 2 hours so you complete one (plus its intro let’s say). Anything in between is a rough wake up.

Honestly below 8 you lose sharpness long term, 10-12 hours is pretty darn good. Uncommon just because we like to live hard to achieve more. If you are completely jobless and rich enough to have no worries, you sleep 10-12 naturally. Carnivore animals like dogs and cats do sleep even 18 per day if they don’t have a reason to get up. Again 8 is a good trade off between having more useful day hours and lack of rest.

People that say 6 are ok simply lie. I challenge em taking a whatever test after a week of 6 hour sleep and compare it to the same test done after a week of 12 hour sleep.

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