Dizziness in young people may be related to lack of sleep, or it may be caused by anemia, cervical spondylosis and other reasons. 1. Lack of sleep: some young people often stay up late to watch computers, television, cell phones, etc., resulting in insufficient sleep, which can easily cause cerebral nerve dysfunction, resulting in cerebral vasodilatation and contraction dysfunction, which may cause dizziness. 2. Anemia: Some young people are prone to iron deficiency anemia due to long-term dieting and irregular diets, resulting in weakening of the ability of blood to carry oxygen, resulting in a lack of oxygen in the brain, which may cause dizziness, and may be accompanied by loss of appetite, pallor and other manifestations. 3. Cervical spondylosis: Some young people are prone to cervical spondylosis due to long hours of writing, or long hours of maintaining an improper posture. Lead to neck muscle tension spasm, triggering intervertebral disc displacement, local blood vessel compression, induced vertebral basilar artery blood supply is insufficient, it will cause dizziness, may also be accompanied by neck and shoulder pain and other symptoms. Young people dizziness, may also be caused by other reasons, if the symptoms persist, should be as early as possible to consult a doctor, diagnose the cause, give targeted treatment.