Waking up at 6 a.m. is not an early awakening and is related to the patient’s personal habits. The length of sleep is actually sufficient when the average sleep time is 6-8 hours or more. In Chinese medicine, there is a certain understanding of sleep since the Yellow Emperor’s Classic of Internal Medicine. Chinese medicine believes that it is important to go to sleep before 11 pm because this is the time when the qi and blood of the bile meridian are most vigorous, when the bone marrow makes blood, when the bile meridian operates, and when bile pushes out new energy, so the patient goes to sleep before 11 pm to adjust the function of the patient’s biliary organs. There is also the patient at 1-3 am, this time period belongs to the liver’s best time to nourish blood, this time the patient should go into deep sleep, should not still stay up late at this time. At 3-5am this time period is considered to be a period when the lungs are at their best towards the hundred veins, and the patient is also in a state of sleep at this time. It is normal to wake up at 5-6 a.m. This is the time to have normal bowel movements and get rid of the toxins in the body.