The causes of not being awake and feeling hazy are physiological and pathological. Pathological factors may be cerebral arteriosclerosis, which can be treated by lipid-lowering medication, surgery and so on. 1. Physiological factors: when the patient’s mental stress, anxiety and depression, long-term late-night sleep deprivation, etc. will lead to the brain is not awake feeling hazy. The symptoms can be gradually relieved by actively exercising, adopting a good work routine and releasing emotions appropriately. 2. Pathological factors: cerebral arteriosclerosis leads to long-term insufficient blood supply to the brain, resulting in reduced brain function, the main symptom is numbness of the limbs, the brain is not awake. Drug treatment includes lipid-lowering drugs such as simvastatin, drugs to improve cerebral circulation such as nimodipine and anti-platelet drugs such as aspirin. If the condition is serious, vascular intervention and revascularization are feasible, and appropriate drugs should be selected under the guidance of the doctor. When patients experience discomfort, they should go to the hospital immediately.