We all know that sleep is a state of spontaneous rest of the human body, and good sleep can replenish the body’s energy, enhance resistance, promote normal growth and development, and make the body get sufficient rest, etc. Therefore, sleep is extremely important for the protection of human mental health and maintenance of normal human mental activity. Then lack of sleep can lead to physical incompetence, affect normal study and work, accelerate skin aging; cause depression and other psychological disorders, as well as being able to cause serious health problems, such as increased risk of cardiovascular disease, diabetes, hypertension, obesity and memory impairment. Sleep deprivation may increase a person’s hunger, prompting an increase in appetite. According to relevant data, people who sleep less than 6 hours a day are more likely to become obese than those who sleep 7-9 hours a day. Hunger hormones in the stomach stimulate hunger and leptin signals in the brain, which suppress appetite. Shorter sleep reduces leptin secretion and boosts hunger hormone levels. Sleep deprivation not only stimulates appetite, it also stimulates the body to crave high-fat, high-carbohydrate thoughts. In short, chronic sleep deprivation can lead to obesity. Therefore, in order to lose weight, it is necessary to ensure adequate sleep time. Generally speaking, normal adults should not sleep less than 7 hours a day and have good quality sleep, not easily waking up, etc. Good sleep helps to lose weight. Imagine, when you stay up all night after the next day at work is not lethargic? And more likely to eat high-calorie food, such as beer, fried chicken, crawfish and so on. So staying up late does not make you thin, but only makes you unconsciously a meal and a snack of nourishment gradually become fat. So yeah, want to lose weight, from sleep on it. For yourself to change a comfortable set of bed, early after the shower to bed, do not eat late at night, put the phone far from the bed, if you can not sleep may wish to light a lamp, read a few pages of books, let the fragrance of books into the sweet dreamland.