Patients who wake up with a headache are mainly seen for reasons such as poor blood pressure control, poor sleep quality, and cervical spondylosis attacks, as follows: 1. Poor blood pressure control: ask the patient if there is any previous history of hypertension, some patients have headaches after waking up when their blood pressure is poorly controlled. 2. Poor sleep quality: ask the patient how the quality of sleep is, if there is early waking or dreaming. 3. If there is early waking or dreaming, the patient will have poor sleep quality and may have headache and dizziness after waking up. 3. cervical spondylosis attack: ask the patient how the sleep posture is, some patients sleep with high pillow for a long time, which will cause tension in the neck muscles and change in the physiological curvature of the cervical spine, which will cause cervical spondylosis attack and wake up with headache after sleeping.