eli5: Why sleeping late and waking up late is worse than sleeping early and wake up early

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Lets say I sleep at 1am and wake up at 9am, why my body reacts negatively compared to sleep at 9 pm and wake up at 4 am. Both are 8 hours of sleeping time. How can my body knows it is past 12pm and decides to give me a bad day because of it.

In: Biology

11 Answers

Anonymous 0 Comments

I think it’s different for everyone. My whole life, I’d get up 6:30 AM and go to bed around 11 PM. I was miserable, but I was in school or working and/or raising children. When I retired, I went to 2 AM to 10-11 AM and feel so much better. I think we all have our own sleeping patterns that work for us but don’t necessarily work with our responsibilities 🙂

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