You ask how to sleep well, and you think you should know something about health. According to Huangdi Neijing, it is best to adapt to the changes of the four seasons. Now that summer is here, the days are getting longer and the nights are getting shorter. People should go to bed early and get up early. Corresponding to winter, Chinese medicine practitioners should go to bed early and get up late. Besides, don't cover your head when you sleep. The ambient temperature of your head should be lower than your body temperature. You can soak your feet before going to bed. Sanjiu Yangshengtang has a lot of health knowledge, which should suit you.