1. Insomnia can cause nerve and autonomic nerve dysfunction, with symptoms of autonomic nerve dysfunction such as headache, dizziness, nausea, vomiting, hyperhidrosis and fever, which makes patients unable to work and live normally;

2, insomnia can cause mental disorders, common is anxiety and depression, some insomnia patients are the early manifestations of some mental diseases, there will be memory loss, unclear thinking, anxiety and other symptoms;

3. Insomnia can cause decreased resistance, because endocrine function may be disordered, leading to an increase in the incidence of infection. For children, it will affect physical development; For some elderly people, especially patients with cerebral infarction, myocardial infarction, diabetes and other diseases, the incidence rate will increase by 25%.

So there is a problem of insomnia, so we must attach great importance to it, go to the hospital in time, and carry out some reasonable treatment according to the doctor's advice.