“Having peace, happiness and healthiness (sic) is my definition of beauty. And you can’t have any of that without sleep.” — Beyonce When you sleep, your body repairs itself. The same holds true for your skin. When you go to bed, your cortisol (stress hormone) levels drop and your melatonin (sleep hormone) levels rise. Cortisol causes wear and tear in your body while melatonin is responsible for the repair. Basically, when you sleep, your cells are at work: Your body and your skin are undoing the damage caused to them through the day, whether from the environment or from your body’s own metabolic processes.  Many research has proven that beauty sleep is pretty much a one-size-fits-all, one-stop solution to all your beauty woes. Restorative sleep, that is adequate sleep at appropriate hours, has been found to be associated with more youthful skin, brighter eyes with fewer dark circles and reduced puffiness, fewer...

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