Patients with frequent buzzing in the head are considered to have cerebral tinnitus, which is mainly caused by abnormal nerve function in the brain or by insufficient blood supply to the cerebral arteries. For example, if the patient is an elderly person, the frequent buzzing sound in the head is related to the lack of blood supply to the brain. Insufficient blood supply to the brain can cause a ringing sensation in the brain, accompanied by brain tinnitus, dizziness, memory loss, and insomnia, which is usually triggered by lack of sleep or exertion. Some patients suffer from cervical spine problems, which can also cause tinnitus due to insufficient blood supply to the brain caused by cervical spine compression of nerves. If a young person has frequent buzzing sounds in the head, it is considered to be caused by functional reasons. For example, patients with anxiety, tension, or long-term late night, sleep deprivation, or brain nerve dysfunction will have the symptoms of buzzing in the head.