Adequate sleep can make the various functions of the body fully rested, and generally do not appear uncomfortable symptoms. The symptoms of dizziness in sleep are mainly caused by poor sleep quality, dyslipidemia, cerebral infarction, anemia and hypotension, as follows: 1. Poor sleep quality: short sleep time causes symptoms of insufficient blood supply to the brain, this is temporary dizziness, if the quality of sleep is improved, dizziness symptoms can be relieved; 2. Dyslipidemia: can cause cerebral arteriosclerosis, causing symptoms of insufficient blood supply to the cerebral arteries; 3. Cerebral infarction: symptoms such as dizziness, headache and numbness of limbs can occur, most of which have a history of atherosclerosis and are prone to develop in a quiet state; 4. Anemia and hypotension: symptoms of dizziness can also be caused. Symptoms of dizziness, usually do not stay up late, light diet, appropriate exercise, you can go to the hospital for further examination of blood pressure, blood tests and other confirmatory diagnosis.