The main reasons for hair blindness and sleepiness are the following: 1. Clinically, it is common that many people will have hair blindness, sleepiness and fatigue after staying in a room with poor air circulation and a stuffy environment for a long time. 2. Patients with hair blindness and sleepiness should be considered to be caused by high lipid and high viscosity status of blood, and it is recommended that patients improve transcranial Doppler examination, as well as blood lipid, blood flow, blood glucose, fibrinogen and blood routine examination to clarify. 3. 3, the patient’s hair blindness, sleepiness may be caused by lack of sleep, poor rest. 4, the patient’s hair blindness, sleepiness may be the performance of chronic cerebral blood supply deficiency, when the cerebral blood flow is slow will cause neurological disorders in the brain, the patient manifested as hair blindness, sleepiness, dizziness.