High blood pressure that prevents you from sleeping at night may be due to fluctuations in blood pressure, mental factors, or other reasons. 1. Blood pressure fluctuation: patients with high blood pressure occasionally can not sleep at night, especially when accompanied by dizziness and other symptoms, must measure the blood pressure to exclude due to the blood pressure is raised or lowered to make the cerebral blood supply abnormality, resulting in sleep disorders. 2. Mental factors: patients themselves have anxiety, insomnia and other conditions, due to psychological stress, the symptoms of sleeplessness, and hypertension is not directly related. 3. Other reasons: if the patient has heart disease or is taking some antihypertensive drugs caused by rare side effects, such as metoprolol tartrate and so on. If you have high blood pressure and can’t sleep at night, you must avoid blindly applying sedative and sleeping drugs, you need to find out the reason, under the guidance of the doctor, choose the best treatment program.