Baby sleep breathing a twitching causes are mainly pre-bedtime crying, rickets, centralized deep breathing and so on. 1. bedtime crying: if the baby continues to cry before going to bed, after crying tired to fall asleep, but because the sympathetic nerves are still in a state of excitement, the baby will appear to sleep while sobbing, which can be manifested as the baby sleeps with a twitching breath. 2. Rickets: babies with rickets, the lack of calcium ions in the body, resulting in calcium and phosphorus metabolism disorders, the baby’s cerebral cortex excitability will be elevated, in the baby’s sleep, breathing will become a twitch. 3. central deep breathing: if the baby with diabetes or uremia in the night sleep, metabolic acidosis, affecting the respiratory adjustment center, so that the baby appeared central deep breathing, the baby will breathe a twitch. Baby sleep breathing a jerk, there may also be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.