Looking for the latest beauty hack? You may be overlooking one of the easiest, cheapest, and most-natural ones of all. It’s not an expensive eye cream or elaborate skincare routine — it’s as simple as a good night’s rest. After all, they don’t call it beauty sleep for nothing.
Getting enough sleep, and getting this sleep at the right time for your body clock, can make a huge difference to your appearance, improving everything from your skin elasticity to your hair thickness.
Below, we’ll dive into how exactly sleep affects your appearance and how the RISE app can help you get enough sleep, at the right times, to look your best.
In short, yes! Beauty sleep does exist. Not getting enough sleep has been linked to:
When you don’t get enough sleep, you perceive yourself as than when you’re well-rested. And it’s not just you who doesn’t think you look your best. Other people notice, too.
A found sleep deprived people are seen by others as less attractive and less healthy. People were even less inclined to socialize with those who looked sleep deprived. This may be because sleep loss affects how your eyes, mouth, and skin look, and these places are important for .
You’ve probably woken up from a night of too little sleep and felt groggy, irritable, and mentally slow the next day. But beyond how you feel and function, sleep has a huge impact on your appearance. Here’s what happens to your looks when you skip out on beauty rest.
Despite what ads for beauty products say, sleep may be the real secret to glowing skin. A looked at how late bedtimes can impact your skin. It found that those with a later bedtime had less hydrated skin, less skin firmness, less elasticity, more wrinkles, and more oily skin.
A lack of blood flow from sleep loss can make you look pale and leave you with a dull and uneven skin tone.
Sleep can help you maintain clear skin. Sleep deprivation can throw off your , or natural oils, and this may lead to acne, pimples, and breakouts. Sleep loss can also cause oxidative stress and inflammation, which are also linked to acne.
If you already have acne-prone skin, sleep should be a priority.
One found there’s a link between waking up fatigued and having acne. And acne can easily cause poor sleep, too. The same study found people with acne feel more stressed, and stress may keep you up at night, making it hard to meet your sleep need, the genetically determined amount of sleep you need, and therefore potentially making acne and blemishes worse, creating a vicious circle.
No retinol is strong enough to stop the marching of time, and fancy cleansers and moisturizers can only do so much to keep skin looking young.
But even though you can’t stop the natural aging process, getting enough sleep can have a dramatic impact on how old your skin looks. shows people judge your eyes, lips, and skin color uniformity when guessing your age — all three of which are impacted by sleep loss.
Not getting enough sleep doesn’t just make your skin look worse, it does real damage. found those who get good quality sleep, who sleep for seven to nine hours a night, had less intrinsic aging compared to poor sleepers, defined in this study as those who sleep for five hours or less. Intrinsic aging is strongly correlated with chronological aging (aging that’s caused by the passing of time) and largely determined by genetics, as well as by hormonal changes and free radical damage.
Being out of sync with your can also contribute to intrinsic skin aging. In mice, it’s been shown to lead to premature aging in multiple organs — including the skin.
But sleep loss and being out of sync with your circadian rhythm also cause , or aging caused by external lifestyle factors.
What’s your circadian rhythm exactly? Your circadian rhythm is your body’s roughly 24-hour internal clock. You have one master clock in your brain that controls things like your sleep-wake cycle and when you produce certain hormones. But almost every organ and tissue in your body runs on a circadian rhythm, too — including your . These are called peripheral clocks.
Factors like pH, barrier function, and water loss in your skin vary depending on the time of day. Your also affects wound healing, how many new skin cells are made, and how susceptible they are to damage.
So, when you’re out of sync with your circadian rhythm (perhaps through working night shifts or having an irregular sleep schedule), your skin’s health, appearance, and age all take a hit.
You can learn more about how to prevent wrinkles here.
The good sleepers in the above had 30% better skin barrier recovery than the poor sleepers. Your skin’s barrier helps protect it and maintain water and hydration. When it’s compromised you may develop dry, scaly, or red and discolored patches, as well as sensitive skin, acne, , or psoriasis.
Plus, those with psoriasis may experience more sleep disturbances like insomnia than those without the skin condition. These can lead to sleep loss, creating a vicious cycle.
Good sleepers also had significantly better recovery from sunburn caused by simulated solar ultraviolet light.
During deep sleep, your body goes into repair mode, fixing damage in your muscles and organs — including your skin. Toxins and dead skin cells are removed, and fresh healthy skin cells are created.
Your pituitary gland secretes human growth hormone during deep sleep, which renews and detoxifies your skin cells. But when you get fewer hours of sleep than you need, your body won’t produce as much growth hormone, and therefore can’t repair and renew your skin as well.
Damage caused by sun exposure — think wrinkles and dark spots — is also repaired during sleep.
Stress hormones cortisol and adrenaline spike when you’re sleep deprived, and this gets in the way of your body’s reparation efforts.
Cortisol can also lead to the breakdown of collagen, which is responsible for making your skin look plump and smooth. Cortisol can also lead to water retention, making you look puffier.
Your immune system takes a hit when you’re sleep deprived, which may affect the . Plus, you’re more likely to get sick — and no one looks their best when fighting off a cold.
If you’ve got a skin wound, this will take when cortisol levels are high.
One more thing cortisol can cause? , as the stress hormone causes inflammation.
You can learn more about how to get clear skin overnight here.
We all know that dark circles under the eyes are associated with a bad night’s sleep, and we’ve all probably woken up with under-eye puffiness after a disturbed night.
This is caused by poor blood flow from a lack of sleep. Blood pools around the area, causing dark and puffy eyes. Fluid can also build up in this area, causing eye bags and adding to the sleep-deprived look.
Our tired eyes give us away, too. One found the faces of sleep deprived people were seen as having:
We dive into more detail about how to get rid of dark circles and bags under eyes here.
The benefits of beauty sleep go beyond your skin. Not getting enough sleep has been linked to more severe in women.
And being out of sync with your circadian rhythm may even contribute to , especially age-related hair loss, although more research needs to be done here.
Beyond your facial appearance, and being up your and can make you gain belly fat.
Both sleep loss and circadian misalignment wreak havoc with your hunger hormones, increasing ghrelin (the hormone responsible for hunger) and decreasing leptin (the hormone responsible for making you feel full).
That means just by skipping out on zzz’s and getting them at the wrong time, you’re making maintaining a healthy weight much harder to do, and, of course, weight gain and obesity come with many more health and well-being consequences than just your looks.
You can learn more about the sleep and weight connection here.
Beauty is in the eye of the beholder, but sleep deprivation impacts how we feel about our own looks, too.
In the we mentioned above comparing good and poor sleepers, good sleepers reported a significantly better perception of their appearance and physical attractiveness.
What’s more, sleep deprivation has been associated with less . And even one night of sleep loss results in a the next morning. All of this adds up to not feeling your best about yourself, or anything else for that matter.
Plus, other people perceive you as and even when you’re sleep deprived.
There’s no one set amount of beauty sleep for everyone, and that’s because we all have different sleep needs. Your sleep need is the genetically determined amount of sleep you need. One study suggests the average sleep need is , plus or minus 10 minutes or so, but of the population may need 9 hours or more sleep a night.
To look your best, you want to be meeting your sleep need as much as possible, but don’t just rely on guesswork. To find out how many hours of beauty sleep you need exactly, turn to the RISE app.
RISE uses historical phone use behavior and proprietary sleep-science-based models to work out your sleep need down to the minute.
Now you know how not getting enough sleep affects your appearance, it’s time to do something about it. Luckily, many of the effects of sleep deprivation and circadian misalignment can be reversed when it comes to looking your best.
You don’t need to figure out your skin type to benefit from this beauty tip, as good sleep helps everyone. And another bonus? It’s free, unlike many of the expensive skin products on the market.
Here are the two most-overlooked beauty hacks to help you look better overnight:
Firstly, don’t or about getting a good night’s sleep. We know that’s easier said than done, but stress is the enemy of sleep, and stress and the stress hormone cortisol can impact the look of your skin, causing acne, redness, itchy skin, or triggering conditions such as psoriasis, dermatitis, or alopecia.
One way to take the stress off meeting your sleep need each night is by focusing on keeping your overall sleep debt low instead. Sleep debt is the running total of how much sleep you owe your body compared to your sleep need. At RISE, we measure this over your past 14 nights.
We recommend keeping sleep debt below five hours to feel, function, and look your best. So, even if you miss out on some sleep one night, you can make it up in the following nights, taking the pressure off.
You can use RISE to find out how much sleep debt you’re carrying. And the good news about sleep debt is you can pay it back.
You can catch up on sleep by:
Bonus tip: Suffer from sleep apnea? has found people with sleep apnea are perceived to be more alert, youthful, and attractive when they stick to using their positive airway pressure (PAP) machine, a common treatment used to keep airways open as you sleep. You can learn how to get rid of sleep apnea here.
As we shared above, it’s not just sleep debt that causes problems for your skin, hair, and overall appearance. Being out of sync with your circadian rhythm does, too.
Luckily, just like with sleep debt, this can be fixed. Here’s how you can sync up:
Staying in sync with your circadian rhythm isn’t exactly something that’s second nature. The RISE app makes it easier by using your previous sleep times and inferred light exposure to show you a prediction of your circadian rhythm each day.
You can then see when your body naturally wants to wake up, wind down for bed, avoid meals, and go to sleep, and sync up your daily life with these times.
Beauty sleep doesn’t require silk pillowcases and sleep masks. Instead, it’s all about the sleep you actually get. But while we now know getting enough shut-eye each night can help you look and feel your best, it’s not always easy getting this sleep.
Perhaps you hop into bed early only to stare at the ceiling wide awake for hours, or you find yourself constantly waking up throughout the night. This is where sleep hygiene comes in.
Sleep hygiene is the name for the set of daily behaviors you can do to help you fall and stay asleep at night and get the most natural and healthy sleep possible.
Here’s what to do:
The RISE app can guide you through 20+ sleep hygiene habits each day and tell you the ideal time to do each one to make them more effective.
Keeping sleep debt low and staying in sync with your circadian rhythm (and using sleep hygiene to help you do so) are the key things you need to do to look your best. Beyond this, though, there are a few other science-backed beauty sleep tips worth trying:
Skip expensive night creams and trips to the dermatologist and opt for nature’s beauty hack instead: better sleep. There’s plenty of research out there showing that not meeting your sleep need and living out of sync with your circadian rhythm can wreak havoc with your skin, eyes, and hair, just to name a few.
Our take: seeing the visible impacts of sleep loss and circadian misalignment on our appearance may be the reminder we need of just how important these things are to our health. We often adapt to lowered energy levels or don’t notice how sleep loss is impacting our long-term physical health, but looking in the mirror and seeing our appearance change can be the perfect motivation to make changes for better sleep, health, and energy.
To look better, aim to keep your sleep debt low and live in sync with your body clock. The RISE app can work out your individual sleep need, so you know what you’re aiming for, and keep track of your sleep debt. Plus, it shows you a prediction of your circadian rhythm each day, so you can sync your sleep and meal times with it, and guides you through 20+ sleep hygiene habits to make getting enough beauty sleep easy.
The real win-win of all of this? Meeting your sleep need and living in sync with your circadian rhythm won’t only make you look better, it’ll boost everything from your energy levels to your productivity to your overall health and wellness.
Yes, beauty sleep is real. When you don’t get enough sleep, your skin is less firm, has more wrinkles, and is more oily. You have more hair loss, are more prone to acne and weight gain, and have darker, droopier eyes.
You can get beauty sleep by maintaining good sleep hygiene, the healthy habits that help you fall and stay asleep. These include getting bright light first thing and avoiding it close to bedtime and avoiding caffeine, large meals, intense exercise, and alcohol too close to bedtime.
We all need a different amount of beauty sleep because we all have a different sleep need, the genetically determined amount of sleep you need each night. Use the RISE app to find out your sleep need down to the minute.
Look better without makeup by getting the right amount of sleep for you at the right times for your body clock. This will keep your skin zit-free, clear, and plump, your eyes bright, and reduce wrinkles, oiliness, and acne. Others perceive you as more attractive when you get enough sleep, and you perceive yourself as looking better, too.
Look better naturally by getting the right amount of sleep for you at the right times for your body clock. This will keep your skin clear and plump, your hair thick, your eyes bright, and you'll have fewer wrinkles and less oiliness and acne. Others perceive you as more attractive when you get enough sleep, and you perceive yourself as looking better, too.
Yes, sleep helps you look better. It helps your skin heal and renew itself, boosts blood flow making your complexion more even and healthy, and keeps signs of aging, wrinkles, acne, weight gain, and hair loss at bay. Others perceive you as more attractive when you get enough sleep, and you perceive yourself as looking better, too.
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