The causes of morning hypertension include physiological conditions, medications, and diseases. 1. Physiological situation: most people belong to the aryl blood pressure, waking up in the morning blood pressure belongs to the highest value of the day, if there is no more than the normal range, belongs to the normal physiological situation. If you often stay up late, over-excited nerves, excessive pressure, or take greasy, high-salt food at night, it may promote the occurrence of early morning hypertension. 2. Drugs: If you are taking short-acting antihypertensive drugs, they may not be able to lower your blood pressure at night and increase your blood pressure in the morning. 3. Disease causes: If the diagnosis of hypertension is confirmed, morning hypertension will occur, and other times of the day will also appear elevated blood pressure. In addition, for obese people, there may be sleep apnea syndrome, causing hypoxia at night, resulting in higher blood pressure in the morning. If you have high blood pressure you should seek medical attention and medications should be used under the guidance of a physician.