Réponse:
1:Sleep is an essential function1 that allows your body and mind to recharge, leaving you refreshed and alert when you wake up. Healthy sleep also helps the body remain healthy and stave off diseases. Without enough sleep, the brain cannot function properly.
2:Sleep affects almost every tissue in our bodies,” says Dr. Michael Twery, a sleep expert at NIH. “It affects growth and stress hormones, our immune system, appetite, breathing, blood pressure and cardiovascular health.” Research shows that lack of sleep increases the risk for obesity, heart disease and infections
3:Some of the most serious potential problems associated with chronic sleep deprivation are high blood pressure, diabetes, heart attack, heart failure or stroke. Other potential problems include obesity, depression, impairment in immunity and lower sex drive. Chronic sleep deprivation can even affect your appearance
4: The closer students get to a full eight hours a night of sleep, the better their grades, according to a new survey. But students in the later years of high school are likely to average fewer than seven hours, leaving them up to an hour-and-a-half short of the sleep they need
5:need between 7 and 9 hours of sleep
6Increase bright light exposure during the day. ...
Reduce blue light exposure in the evening. ...
Don't consume caffeine late in the day. ...
Reduce irregular or long daytime naps. ...
Try to sleep and wake at consistent times. ...
Take a melatonin supplement.