Lack of sleep can cause dizziness. Under normal circumstances, reasonable sleep can ensure the normal rest of brain cells, and only when the quality of sleep is good can we ensure the blood supply to all organs of the body. In the case of sleep deprivation, brain cells do not get rest, which can cause symptoms of insufficient blood supply to the cerebral arteries. If you usually often stay up late or often the symptoms of insomnia, can cause dizziness, drowsiness, memory loss, slow reaction and other uncomfortable symptoms, but also can cause low immunity, endocrine disorders, neurasthenia and other diseases. Long-term stay up late can also cause biological clock disorders, aggravate the symptoms of insomnia. Usually avoid staying up late, avoid overwork, indoor warm and comfortable, no strenuous activities before going to bed, do not have too much psychological pressure, to ensure good sleep quality.