Colin Snow
Sleep is essential for our health and well-being, but what happens when we don't get enough? Can we ever truly catch up on sleep? While some people believe that catching up on sleep is a myth, research suggests that it is possible to reverse the negative effects of sleep loss. This raises important questions about the impact of sleep debt on our lives and whether we can ever fully recover from chronic sleep deprivation.
| Characteristics | Values |
|---|---|
| Catching up on sleep is possible | Research shows that it is possible to catch up on sleep, although it may take longer the more sleep debt you have. |
| Sleep debt | The more sleep debt you have, the longer it takes to catch up. |
| Sleep loss | Research shows that catching up on sleep can reverse some of the negative effects of sleep loss. |
| Sleep and biology | The fact that humans can sleep for longer than usual when sleep-deprived suggests this extra sleep serves a biological purpose. |
| Sleep and health | Sleep heals and repairs blood vessels and the heart. |
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What You'll Learn
- Research shows that catching up on sleep can reverse some of the negative effects of sleep loss
- Sleep experts agree that we can catch up on sleep when we're sleep-deprived
- The more sleep debt you have, the longer it takes to catch up
- Sleep loss can be adapted to, but research shows we're not doing as fine as we think
- Sleep is like putting money in a bank account: whenever you don't get enough, it has to be repaid
Research shows that catching up on sleep can reverse some of the negative effects of sleep loss
However, catching up on sleep might not reverse all damage. One study found that recovery sleep was only partially restorative of the decrease in frontal lobe function caused by sleep deprivation. Another study found that weekend recovery sleep didn't prevent the insulin sensitivity and weight gain that sleep loss can lead to. Participants may have needed more time to catch up on lost sleep.
When you catch up on sleep, you may experience "REM rebound", which is when you get an "increase in the frequency, depth, and intensity of rapid-eye-movement (REM) sleep". This may be because your brain prioritises deep sleep when you're not getting enough sleep, but then catches up on REM sleep when it can.
The amount of time you sleep is like putting money in a bank account. Whenever you don't get enough, it's withdrawn and has to be repaid. According to the National Sleep Foundation, Americans need about 7.1 hours of sleep per night to feel good, but 73 per cent of us fall short of that goal on a regular basis.
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Sleep experts agree that we can catch up on sleep when we're sleep-deprived
However, catching up on sleep might not reverse all damage. One study found that sleep deprivation caused a decrease in frontal lobe function, and recovery sleep was only partially restorative. Another study found that weekend recovery sleep didn't prevent the insulin sensitivity and weight gain that sleep loss can lead to. Participants may have needed more time to catch up on lost sleep.
Recovery sleep looks different to normal sleep. When you catch up on sleep, you may experience "REM rebound", which is when you get an increase in the frequency, depth, and intensity of rapid-eye-movement (REM) sleep. This may be because your brain prioritises deep sleep when you're not getting enough sleep, but then catches up on REM sleep when it can.
The amount of time you sleep is like putting money in a bank account. Whenever you don't get enough, it's withdrawn and has to be repaid. However, when you're in chronic sleep debt, you're never able to catch up.
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The more sleep debt you have, the longer it takes to catch up
It is possible to catch up on sleep, but it can be difficult. The more sleep debt you have, the longer it takes to catch up. Our bodies adapt to sleep loss, and we think we're doing fine, but research shows we're not. Catching up on sleep can be tricky, so it's easier to believe it can't be done so we don't have to worry about it.
Research shows that catching up on sleep can reverse some of the negative effects of sleep loss. In one study, participants got five hours of sleep a night for seven nights and then got two "recovery" nights of sleep. Their mood, sleepiness, and mental performance got significantly worse while they were getting five hours of sleep, but bounced back after two nights of recovery sleep.
However, catching up on a missed night of sleep isn't quite the same as getting the sleep you need in the first place. Sleep is like putting money in a bank account. Whenever you don't get enough, it has to be repaid. When you're in chronic sleep debt, you're never able to catch up. According to the National Sleep Foundation, Americans need about 7.1 hours of sleep per night to feel good, but 73% fall short of that goal on a regular basis.
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Sleep loss can be adapted to, but research shows we're not doing as fine as we think
Research shows that catching up on sleep can reverse some of the negative effects of sleep loss. For example, in a canonical study, participants got five hours of sleep a night for seven nights and then got two "recovery" nights of sleep. Participants' mood, sleepiness, and mental performance got significantly worse while they were getting five hours of sleep, but bounced back after two nights of recovery sleep. Beyond recovering, the fact that humans can sleep for longer than they usually need when sleep-deprived suggests this extra sleep serves a biological purpose. You can't "oversleep" or get too much sleep, either, so any extra sleep you get may be needed. Most sleep experts agree. "More research needs to be done, but it does seem we can catch up on sleep when we're sleep deprived," says Dr.
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Sleep is like putting money in a bank account: whenever you don't get enough, it has to be repaid
However, catching up on sleep might not reverse all damage. One study found that sleep deprivation caused a decrease in frontal lobe function, and recovery sleep was only partially restorative. Another study found that weekend recovery sleep didn't prevent the insulin sensitivity and weight gain that sleep loss can lead to.
When you miss out on sleep, you build up what's known as sleep debt. According to the National Sleep Foundation, Americans need about 7.1 hours of sleep per night to feel good, but 73% of them fall short of that goal on a regular basis. Many people think they can make up for their lost sleep on the weekends, but when you're in chronic sleep debt, you're never able to catch up.
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Frequently asked questions
You do need to catch up on sleep, but it can be tricky. The more sleep debt you have, the longer it takes to catch up.
According to the National Sleep Foundation, Americans need about 7.1 hours of sleep per night to feel good. If you're not getting this, you're in sleep debt.
Research shows that the negative effects of sleep loss can be reversed by catching up on sleep. However, if you're in chronic sleep debt, you may never be able to catch up.
Sleep loss can negatively impact your mood, sleepiness, and mental performance. Sleep is also important for healing and repairing your blood vessels and heart, and for creating new pathways in your brain.
No, you can't oversleep. Any extra sleep you get may be needed.
