Morning due to sympathetic excitation, catecholamine secretion increases, can cause blood pressure to rise, higher than other times of the day. The blood pressure curve of normal people is in the shape of a double peak and a valley, with low blood pressure at night and a gradual increase in blood pressure that requires wakefulness, with a peak blood pressure time occurring around 10 a.m. Therefore, the increase in blood pressure in the early morning belongs to a physiological regulation mechanism of the body. During the night rest state, the body slows down the heart rate and lowers the blood pressure. After waking up in the morning, the sympathetic nervous system becomes excited and a variety of hormones begin to change significantly in order to better adapt to the demands of daytime physiological activities. In particular, the level of norepinephrine and epinephrine activity increases significantly, and the contraction of the heart gradually increases, leading to an increase in blood pressure and heart rate, which is a normal reaction of the human body. Elderly people with arteriosclerosis and long-term poorly controlled hypertension should pay attention to active blood pressure control, and it is recommended not to wake up in a hurry in the morning and take hypertension medication regularly.