The causes of babies waking up in the middle of sleep with their arms shaking include physiologic and pathologic factors, and pathologic factors include epilepsy, calcium deficiency, etc. The causes of babies waking up in the middle of sleep with their arms shaking include physiologic and pathologic factors. It is necessary to identify the specific cause of the disease and then carry out targeted treatment, the treatment method includes general treatment, drug treatment and so on. 1. Physiological factors: the central nervous system of the brain of infants is not yet fully developed, and the ability to inhibit body shaking is weak. When stimulated by the external environment, such as sound and light, they may suddenly wake up and shake their bodies, which is a normal phenomenon. This is a normal phenomenon. With the development of the body, the symptoms can be gradually relieved. 2. Pathological factors: infant sleep shaking, waking up may be caused by epilepsy, epilepsy is mainly symptomatic of generalized seizures. The main symptom of epilepsy is generalized seizures. Medication includes carbamazepine and phenytoin sodium. When infants are deficient in calcium, they also tend to exhibit symptoms such as limb twitching. Treatment includes active supplementation of vitamin D. Infants who start to add complementary foods after 6 months of age can eat soy products in moderation and get more sunlight. All of the above medications should be used under the guidance of a doctor, avoid self-medication. When the child is not feeling well, he/she should go to the hospital immediately to get a clear explanation of the cause of the problem and then give targeted treatment.