
There's a common misconception that sleeping late and waking up late is a sign of laziness, but this isn't necessarily true. In fact, some people have a delayed circadian sleep phase, which means their body clock is designed for them to sleep and wake up later than others. This was even found to be beneficial to society in ancient times, as these people would be awake at night to protect the tribe from predators.
| Characteristics | Values |
|---|---|
| Circadian sleep phase | Delayed |
| Evolutionary benefit | Protection from predators at night |
| Stigma | Lazy |
| Medical advice | It's fine to sleep late and wake up late, so long as you do it consistently |
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What You'll Learn

It's not something bad
Dr Syed Moin Hassan, Sleep Medicine Fellow at Brigham and Women's Hospital in Boston, agrees that sleeping in late is not a sign of laziness. He says that a good night's rest is important for your immune system.
Harvard studies have also shown that it's okay to stay up late and sleep in, as long as you consistently do the same thing. So, if you go to bed at 2 am and get up at 9 am, that's fine, as long as you stick to that routine.
If you're a late riser, stop beating yourself up about it. Instead, embrace your body clock and follow the sleep schedule that works best for you.
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It's beneficial to society
Dr Syed Moin Hassan, Sleep Medicine Fellow at Brigham and Women's Hospital in Boston, speaks to de-stigmatizing sleeping in late, and why a good night's rest is so important for your immune system.
Harvard studies have also shown that it's okay to stay up late and sleep in, so long as you consistently do the same thing.
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It's not lazy
Dr Syed Moin Hassan, Sleep Medicine Fellow at Brigham and Women's Hospital in Boston, has spoken out about de-stigmatizing sleeping in late. He says that it's not lazy to wake up at noon and that getting a good night's rest is important for your immune system.
Harvard studies have also shown that it's okay to stay up late and sleep in, as long as you consistently do the same thing. So, if you go to bed at 2 am and get up at 9 am, that's fine, as long as you stick to that routine.
If you're a late riser, stop beating yourself up about it. It's not lazy to sleep late and wake up late; it's just your body clock doing its thing.
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It's good for your immune system
It's okay to sleep late and wake up late—in fact, it might be good for your immune system. Delayed circadian sleepers, or people who sleep late and wake up late, are thought to have evolved to protect the tribe from predators at night.
Dr Syed Moin Hassan, Sleep Medicine Fellow at Brigham and Women's Hospital in Boston, has spoken out about de-stigmatising sleeping in late. He says that a good night's rest is important for your immune system.
Harvard sleep expert Charles Czeisler agrees that it's fine to go to bed at 2 am and get up at 9 am, as long as you're consistent. So, if you have a delayed circadian sleep phase, or your body clock is designed so that you sleep late and wake up late, the best thing to do is follow that pattern.
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It's fine so long as you're consistent
It's fine to sleep late and wake up late, so long as you're consistent.
Some people have a delayed circadian sleep phase, which means their body clock is designed for them to sleep late and wake up late. This is not something to be ashamed of, and it's important to follow your natural body clock.
In fact, evolutionarily speaking, it has been beneficial for society to have people with differing clocks. For example, those who sleep late and wake up late can protect the tribe from predators at night.
So, if you go to bed at 2 am and get up at 9 am, that's fine, as long as you consistently do the same thing.
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Frequently asked questions
Yes, it is okay to sleep late and wake up late. In fact, it is beneficial to follow your body clock.
Evolutionarily, society needed people with differing clocks. For example, delayed circadian sleepers were found to be beneficial because they would protect the tribe at night.
You are not lazy if you are waking up late. Dr Syed Moin Hassan, Sleep Medicine Fellow at Brigham and Women's Hospital in Boston, speaks about de-stigmatizing sleeping in late, and why a good night's rest is so important for your immune system.
Yes, according to Charles Czeisler, M.D., chief of the Sleep and Circadian Disorders Division at Brigham and Women's Hospital, "The results of this study are not suggesting everybody has to be a goody-two-shoes. So if you go to bed at 2 and get up at 9, that's fine. You just have to consistently do the same thing."





















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