The patient’s brain buzzes at night when he sleeps, which is mainly considered to be cerebral tinnitus, this kind of disorder belongs to the nerve function of the brain, the causes of cerebral tinnitus mainly include the following aspects: 1. It may be caused by mental stress and work tension, which is a functional disease. Patients may be accompanied by symptoms of anxiety, such as irritability, panic, chest tightness, shortness of breath, discomfort in the neck, shoulders and back, and most patients lack physical exercise; 2. Patients sleep at night with brain buzzing, and if they are older, they should also consider that it may be due to narrowing of the cerebral blood vessels after cerebral atherosclerosis, and turbulence occurs when blood flows through, so it can lead to abnormal sound of the head This situation can be clarified by doing angiography imaging of the head.