
20. Get your beauty sleep.
Sleeping beauty had this one right: regular shuteye alone actually makes you look prettier, according to a 2010 study published in the British Medical Journal. The researchers took photos of 23 people after a normal night’s sleep of eight hours and after a period of sleep deprivation. How many hours are necessary for beauty sleep?

When it comes to snoozing, the magic number falls between seven and eight hours of rest per night. A good night’s sleep can mean good skin health because when you’re sleep-deprived, your body makes more of the stress hormone cortisol. Getting a good night’s sleep will help to clear up the skin, which allows sleep to improve and, in turn, will improve skin health. For more on the benefits of getting enough rest, have a look at this.