Patients dizziness, always yawning, sleepy, mainly consider the following aspects of the cause: 1, to consider because of cerebral arteriosclerosis, cerebral blood flow is slow, resulting in the patient’s brain tissue in the chronic ischemia, hypoxia stage, the patient is prone to the formation of dizziness, drowsiness, yawning symptoms; 2, if the patient exists in a high-fat, high-viscosity state of the blood, the blood flow of the speed of the slow, usually also prone to have dizziness, Yawning, sleepy symptoms; 3, to consider may be the manifestation of neurological weakness, this type of patients are usually more tense, anxiety, the existence of serious sleep deprivation, low quality of sleep, so that in the daily life activities of the brain’s functional activity declines, it will be manifested as dizziness, yawning, sleepy symptoms.