Sleeping leg shaking is related to physiological factors such as strenuous exercise and mental overstress before going to bed, and is also considered to be related to calcium deficiency, Parkinson’s disease, epilepsy and so on. 1. Physiological factors: strenuous exercise before bedtime, mental overstress, cold stimulation, etc. can cause some people to experience leg shaking during sleep. 2. Calcium deficiency: some people lack calcium in the body, which can be manifested as bone and joint pain, body weakness, limb twitching, etc., and can also cause leg shaking during sleep. 3. Parkinson’s disease: the disease may be related to heredity and aging of the nervous system. Typical symptoms of Parkinson’s disease include static tremor, bradykinesia, muscle tonus, etc., which can also be manifested as shaking legs in sleep. 4. Epilepsy: the cause of the disease is still unclear, and may be related to heredity, cortical developmental disorders, head trauma and so on. Epileptic patients in the seizure of the disease, can be manifested as generalized convulsions, pupil dilation, increased secretion in the mouth, etc., can also be manifested as sleep leg shaking. There are many causes of sleep leg shaking, such as restless leg syndrome, stroke, etc. It is recommended that patients seek medical treatment in a timely manner.