Food, water and sleep are the top three things necessary to sustain human life, but keeping all three in check is easier said than done. Eating? No problem. Staying hydrated? A little more challenging, but we'll aim for the recommended 2.7 liters a day. Getting a good night's sleep, every night? Try explaining that to our bosses, our smartphones, our pets, our kids... oh, and our brains.

The science of sleep is a complicated one, particularly in these modern times, but it's scientifically proven that solid sleepers tend to have 100-percent better-looking skin than those of us who struggle to get our eight hours. (Literally, that is a statistic that exists out there in the world.) That said, there's no point in repeating the facts until we're blue in the face. Sometimes the best you can do is to make the most of the sleep you are getting -- by taking extra care to treat your skin while you snooze, whether it's for 4 hours or 14.

Appropriately, embracing skin care that works while you sleep is the best way to reap the beauty benefits of, well, beauty sleep. Overnight skin treatments aim to work with the body's natural circadian rhythm to target the skin when it's at its most receptive, so not only will you face the day feeling refreshed, but your skin will look the part. Slather on one of these nine genius nighttime formulas and hit the sack ... and maybe the snooze button, too.

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Glamglow Dreamduo Overnight Transforming Treatment, $59

All skin types will find their match in this two-step treatment, which combines a vitamin-rich anti-aging serum with a nourishing, skin-plumping moisturizer layered on top. The duo work together to soften, brighten, and otherwise recharge the skin in a single night's sleep. You'll wake up glowing, guaranteed.

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Cosmedicine Night Duty Perfected Overnight Resurfacing Serum, $220

Need a complexion intervention ASAP? Turn to this powerhouse serum. Packed with potent antioxidants, gentle exfoliating acids, fatty acids and more, this formula is not messing around when it comes to rejuvenating, resurfacing and brightening skin that's dull, uneven, blotchy, dry or irritated -- or all of the above.

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Garnier SkinActive Clearly Brighter Overnight Leave-On Peel, $16.99

There's nothing quite like a peel for restoring uneven skin tone and discoloration to an enlightened state. This nighttime leave-on treatment smooths on like a gel to target dark spots and dullness with glycolic acid and vitamin C and provide just the right amount of gentle exfoliation while you sleep.

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BioRecept BioStrata de Peau, $68

This supercharged night treatment is non-comedogenic, hypoallergenic, and fragrance-free -- and that's just the icing on the cake of an all-around exceptional formula, which is a total savior for anyone who's fighting both breakouts and signs of aging. Glycolic and lactic acids encourage cell renewal and target enlarged pores while hyaluronic acid stimulates collagen production, and a generous percentage of aloe protects even the most sensitive skin against irritation.

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