Based on the important role of sleep in the human body, Sleep comprehensively and popularly introduces the different effects of sleep on the human body in different genders and different age stages, such as sleep and the beauty of women, sleep and various senile diseases, how sleep is beneficial to treating diseases, and how to sleep according to the operating rules of biological clocks. This paper analyzes the harm, causes, mentality, types and treatment methods of insomnia in detail, and emphatically introduces the wonderful measures to overcome bad sleep habits, and puts forward a variety of sleep health suggestions, so that readers can truly understand and practice the truth of "finding a sleeping prescription instead of looking for a fairy", so as to achieve a new realm of "sleeping out of health and sleeping out of illness".