It is mostly caused by bad living habits, due to frequent late nights, long-term exertion, smoking, alcoholism, or often being in an air-conditioned room, causing pain in the half of the scalp after waking up. However, for some people, neurovascular lesions, including those caused by cerebral neuropathy and cerebral infarction, are not excluded, but such patients are mostly accompanied by other symptoms, and if related diseases are suspected, timely medical consultation is recommended.