When a headache occurs at night, first of all, the patient should consider whether he or she has a vascular-neurological headache. It can be due to excessive tension and excessive mental exertion during the day, which can then trigger a neurovascular headache. Secondly, patients are also advised to measure their blood pressure to see if there is a biological clock phenomenon of elevated blood pressure at night. Some patients may have elevated blood pressure in the morning, some may have elevated blood pressure in the afternoon, and some may have elevated blood pressure before bedtime. If necessary, patients can have 24-hour ambulatory blood pressure monitoring. Finally, consider whether the patient has maxillary sinusitis or an enlarged inferior turbinate. It is recommended that the patient be examined by the Department of Pentology to clarify the presence of sinusitis and inferior turbinate hypertrophy.