Causing patients to be not clear-headed and dizzy every day is mainly considered to be a functional cause, but it can not be ruled out that it is caused by organic diseases, and this situation is recommended that patients combine their own situation and relevant examinations to clarify. If it is a young man, most of the brain is not awake, dizziness and fainting, with the patient’s poor lifestyle, belonging to the functional problems caused by. For example, patients often stay up late or there is a lack of sleep after, resulting in the brain is not awake, dizziness every day. In the case of elderly people who are dizzy and unconscious every day, it may be due to cerebral arteriosclerosis and insufficient cerebral blood supply, leading to a decline in the functional activity of the brain. Patients may also suffer from memory loss or sleep disorders, which can be clarified by transcranial Doppler and blood flow tests.