The causes of dizziness and lack of wakefulness are as follows: 1. Psychosomatic problems: such as excessive stress in study and life, and patients in a state of anxiety all day long, this situation will consume more people, which will cause the brain to be unconscious and in a bad state of mind. 2. Insufficient blood supply to the cerebral arteries: mainly seen in middle-aged and elderly patients with hypertension, diabetes, hyperlipidemia, due to these risk factors lead to cerebral arteriosclerosis. 3, other: such as hypotension, long-term anemia, long-term cardiac insufficiency, and liver and kidney insufficiency and other medical diseases, can also lead to dizziness and lack of wakefulness.