You should try to sleep before 1 1 half past midnight. Chinese medicine believes that the qi of meridians in the human body, like the tide, will fluctuate and flow between meridians with the flow of time, and different meridians will be on duty at each time. If we can adapt to this change of meridians and adopt different methods, we can achieve good health preserving effect.

Shihai (9~ 1 1 at night) is the season of Sanjiao Classic. The word "sea" means the rebirth of life in ancient Chinese, so if you want your body to have a good starting point, you should have a good sleep from now on. For the elderly, it may be difficult to sleep, but no matter what way you take, try to fall asleep before 1 1: 30 in the evening.

Midnight (midnight 1 1~ morning 1) gallbladder meridian season. This period of time is the "conscious" time that is particularly emphasized in TCM health preservation. In Huangdi Neijing, it is said that there are 1 1 organs in the human body that are supported by the function of the gallbladder meridian, so it is necessary to have enough high-quality sleep to ensure that the gallbladder meridian gets enough energy.