We all hear about the benefits of a good night’s sleep—better memory, attention, concentration and a reduced risk of heart attack and stroke. Sleep improves our mood; it makes us feel like we can do more in the day and gives us a better outlook on life.
In addition to helping us live productive lives, sleep is key to feeling and looking youthful.
1. You look more attractive to others
In a 2010 study published in the British Medical Journal, a group of Swedish investigators looked at whether sleep-deprived people were perceived as less healthy, less attractive and more tired than after a normal night’s sleep. Twenty-three healthy adults were photographed after a normal night’s sleep (about eight hours) and again after a night of sleep deprivation (31 hours of wakefulness!). The photos were presented to 65 untrained observers who rated them. Results indicated that sleep-deprived people appear less healthy, less attractive and more tired when compared to photographs taken after a full night's sleep.
The authors proposed that humans may be sensitive to sleep-related facial cues, and that these cues may affect your social life in big ways. For example, if someone is well-qualified for a job but hadn’t slept well for a few nights, employers might perceive the candidate as being less healthy and more tired—putting the candidate at risk of not getting hired.
What exactly is going on during those precious sleep-filled hours at night that’s keeping us looking and feeling young? A lot.
2. You stay fitter
As we wrote in Sleep More and Fit Into Your Skinny Jeans, sleep helps you manage your weight. Consistently getting less sleep than you actually need per night leads to slow and steady weight gain. This weight gain can impact how others view you (unhealthy, tired) and how you may view yourself (tired, unmotivated). If you sleep more, you’ll find it easier to lose weight and will even have more energy to exercise. It is also commonly accepted now that exercise helps us feel younger both physically and mentally.
3. Your skin glows
Skin grows a lot in our sleep. We develop nearly 30 times more skin while asleep than when awake. Notice those dark circles and bags under your eyes after a poor night’s sleep? The skin of a healthy sleeper is more elastic, supple and taut. The more you get a full night’s sleep, the more you’ll have that youthful glow.
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