Patients are sleepy around 5:00 p.m. every day for several reasons: 1, consider the physiological reasons caused by, if the patient does not have the habit of nap, in the case of work is more nervous, more fatigue, the patient will have symptoms of sleepiness around 5:00 p.m. 2, may be caused by disease, sleepy at 5:00 p.m. every day may be caused by increased blood pressure, it is recommended to monitor blood pressure. There are 2 peaks in human blood pressure, with the highest blood pressure at 5-6 o’clock in the morning, and it is also easy to have elevated blood pressure around 4-6 pm. If it is caused by elevated blood pressure, it is recommended that patients take antihypertensive drugs at around 4 p.m. to relieve the symptoms. 3. Sleepiness at around 5 p.m. every day may also be caused by diseases, such as insufficient blood supply to the brain, anemia and other reasons.