A headache after a nap may be caused by physiological factors such as incorrect sleeping position, or it may be caused by diseases such as high blood pressure and migraine. For different causes, different treatments are available, such as general treatment, medication and so on. 1. Physiological factors: If the headache is caused by incorrect sleeping position, head cold during sleep, etc., the headache should be kept warm locally, and the head can be massaged or hot compresses to relieve the pain. 2. Hypertension: hypertensive patients may wake up after a nap because of changes in body position leading to a transient increase in blood pressure, dizziness, headache and other symptoms. Patients can follow the doctor’s instructions to take amlodipine, metoprolol and other drugs to reduce the symptoms, in addition, patients should maintain a low-salt, low-fat diet, and regularly measure blood pressure. 3. Migraine: If the headache is caused by migraine, the patient can take diclofenac sodium delayed-release tablets, ibuprofen and other non-steroidal anti-inflammatory drugs as prescribed by the doctor to relieve the pain. If you have a headache after a nap, after excluding physiological factors, the condition changes or the symptoms continue to be unrelieved, go to the hospital in time to consult a doctor to clarify the cause of the disease, and then follow the doctor’s instructions on the cause of the treatment.