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 🙂

Anonymous 0 Comments

You could get into circadian rhythms to explain your question but tbh I think it depends on how your current sleep schedule is. If your current schedule is to go to bed at midnight usually, and you stay up till 1 am one night, you’re pushing your body further than it’s used to in a day, and might feel more tired after. But you can shift a sleep schedule around however you want e.g. people who work night shifts

Anonymous 0 Comments

It’s more the consistency that matters rather than the actual hours. 

Bodies like routine, and take some time to adapt. Most people would have difficulty waking up at 4am but would get used to it eventually. 

Additionally it really depends on the quality of the sleep and how you go to bed. Are you going to bed at 1am wired from gaming or something else, or have you chilled out for an hour beforehand? 

A huge amount of stuff from your diet and habits and noise affects your sleep. It’s not as simple as just x time sleep, y time wake up. 

Anonymous 0 Comments

It kind of isn’t, for the most part.

It affects the amount of sunlight you can take in normally, and a vast majority of serious services are only available during morning and early afternoon, so you may need to disturb your sleep schedule to go to the bank if you tend to sleep during banking hours, but as a general rule, if you take care of your health, make sure to get all the vitamin C you may need, and your sleep schedule is consistent, there aren’t that many serious studies that show a causal link between sleeping late and being in bad shape.

There may be a corellation with depression, but it’s likely more that depression affects your sleep schedule, than the other way around.

Anonymous 0 Comments

If you go to sleep early you always get as much sleep as you need but if you go to sleep late you might have to get up early for something which makes your sleeping period shorter. Sleeping early gives you more slack in your schedule.

Anonymous 0 Comments

Morning people got up early one day and voted that everyone would have to work on their schedule. Without the non-morning people, I don’t believe that they had a true quorum, but here we are.

Anonymous 0 Comments

There’s nothing inherently better about either. It’s just that most of society is organized around an earlier schedule so it’s harder, but absolutely not impossible, to take care of all your business and be productive if you’re a night owl.

Anonymous 0 Comments

Research actually shows that most people have a “chronotype” that defines their body’s natural tendencies towards being a night owl or morning lark. You should listen to your body and maintain a consistent sleep schedule, because your body’s daily rhythms are extremely important. They control everything from digestion to hormones to brain function.

Anonymous 0 Comments

It helps to get sunlight asap after waking. When you wake up, go outside for 10 minutes. The fresh air and natural sunlight will invigorate you.

Anonymous 0 Comments

Your body’s internal clock, called circadian rhythm, is designed for early bed, early rise. Mess with it, you’re asking for a moody morning!