Baby sleep twisting may be caused by environmental factors, hunger, indigestion, calcium deficiency, intestinal infections and so on. 1. Environmental factors: the sleeping environment is not suitable for the temperature is too low or too high, the baby feels uncomfortable, so sleep twisting and turning. 2. Hunger: most babies of younger age need to eat nighttime milk and feel hungry, so they do not sleep soundly and twist around. 3. Indigestion: because the food in the stomach can not be emptied to cause abdominal distension, abdominal pain, so cause the baby sleep is not solid, sleep twisting around. 4. Calcium deficiency: due to the lack of calcium in the body, it causes increased excitability of the brain, resulting in babies sleeping at night, twisting around, accompanied by crying, excessive sweating, occipital baldness and other symptoms. 5. Intestinal infections: intestinal infections caused by pathogenic bacteria cause abdominal distension, abdominal pain, increased bowel movements, so the baby sleeps at night, restless, twisting around. Rule out environmental factors, caused by hunger, if it can not be relieved, it is recommended to take the baby to the doctor in a timely manner, to identify the cause of the disease, and follow the doctor’s instructions for treatment.