Newborns sleep shaking and trembling have physiological factors and pathological factors, pathological factors including such as epilepsy can also lead to trembling during sleep. 1. Physiological factors: newborns are still immature due to the development of the nervous system, so when the newborn sleeps, the cerebral cortex is in a state of excitement, and slight stimulation will appear limb shaking, body trembling. With the growth of age, the symptoms will gradually disappear after the complete development of the nervous system. 2. Pathological factors: neonatal epilepsy is associated with abnormal brain development, prenatal infections and other factors, clinical manifestations of sudden apnea, involuntary movements of the arms and legs, and sudden and frequent shaking. It is necessary to carry out corresponding treatment under the guidance of specialized physicians. When a newborn baby develops physical abnormalities, he or she should go to the hospital immediately.