If there is dreaming and hitting, usually the following factors: 1, neurological dysfunction, often in patients with a history of epilepsy, or patients who have suffered from encephalitis in the past, in the process of recovery there is abnormal brain cell discharge, in the process of abnormal brain cell discharge, there will be out of sleep dreaming and unconscious hitting, or injury to others and self-harm situation occurs. In some cases where the nervous system is not well regulated, such as neurological disorders, endocrine dysfunction, frequent anxiety, insomnia, dreaminess, and a decrease in the deep sleep phase and an increase in the light sleep phase, dreaming and hitting may occur during the light sleep phase. 3. In some patients with diabetes mellitus combined with neurological dysfunction, autonomic dysfunction may also occur, resulting in dreaming and hitting. In some patients with diabetes combined with neurological dysfunction, they may also have autonomic dysfunction, which may lead to dreaming and hitting in their sleep.