If there is a sudden shaking of the body while sleeping, 1, it may be caused by fatigue factors. This kind of action is not controlled by the brain, generally does not have much clinical significance, usually pay attention to rest, avoid cold and fatigue, can be effectively prevented. 2, this kind of symptom, may also be caused by epileptic seizures, this kind of situation is due to a variety of diseases caused by abnormal discharge of brain cells resulting in limb convulsions, this is a kind of pathological manifestation of the abnormal discharge of the brain may also cause the damage of the brain cells, so you need to promptly consult the doctor, do a test to clarify the cause, and then targeted treatment. This is a pathologic manifestation of abnormal brain discharges that may cause damage to brain cells. Therefore, it is necessary to consult a doctor in time, do tests to clarify the cause of the disease, and then carry out targeted treatment. It is generally recommended to go to the Department of Neurology, do an electroencephalogram, head CT or magnetic resonance examination to clarify the cause of the disease, and then carry out cause-specific treatments.