Unconscious and frequent shaking of the body during sleep may be due to epilepsy, mental status changes, Parkinson’s disease, etc. 1. Epilepsy: If your body shakes unconsciously and frequently after you fall asleep at night, with a short duration and recurrent episodes, you may be having an epileptic seizure. You need to go to the hospital in time for examination by EEG or cranial MRI. If it is determined that the unconscious shaking is related to abnormal brain discharges, anti-epileptic treatment can be carried out under the guidance of the doctor in order to improve the symptoms. 2. Changes in mental status: People who are overly nervous or excited, or suffer from anxiety or depression may also experience frequent unconscious body shaking during sleep. You can relax your body by playing soothing music, etc., and the shaking may be relieved. 3. Parkinson’s Disease: If an elderly person’s body shakes unconsciously and frequently during sleep, it may be due to Parkinson’s Disease. In the later stages of Parkinson’s disease, autonomic dysfunction may occur, leading to frequent shaking of the body during sleep. This symptom may also be caused by other reasons, it is recommended to consult a doctor in time to clarify the cause of the disease and then treat it.