Babies sleep twisting and grunting for the following common reasons: First, the normal phenomenon, the baby’s spirit, good milk, normal urination and defecation, is a normal phenomenon. Second, the early manifestation of brain injury, if the baby limbs like swimming non-stop twisting, involuntary movements increase, the body is easy to twist to one side, asymmetric position, and there are high-risk factors before, during or after birth, such as premature babies, low birth weight babies, hypoglycemia, cerebral hypoxia, etc., to draw attention. Promptly bring your baby to the pediatric rehabilitation department for correction and give early postural management and intervention rehabilitation treatment.