Baby’s sleepy tummy gurgling may be caused by hunger, normal bowel movement, intestinal flatulence, intestinal obstruction and other factors. 1. Hunger: if your baby drinks less milk or eats less food before going to bed, your baby will easily feel hungry during sleep, thus causing tummy rumbling. 2. Normal bowel movement: when the baby sleeps, the gastrointestinal tract will also perform peristalsis. Due to the low noise level of the surroundings and the quieter environment, the baby’s tummy may be heard to rumble due to the peristalsis of the intestinal tract. 3. Intestinal flatulence: the baby’s digestive disorders or swallowing a lot of air can cause intestinal flatulence, the intestinal gas is hindered can not be discharged out of the body, thus appearing in the tummy gurgling. 4. Intestinal obstruction: intestinal obstruction of the baby can lead to intestinal hyperperistalsis, thus appearing more obvious gurgling, abdominal auscultation, some can also be smelled metal tone and gas over the sound of water. If the baby sleep stomach grumbling with irritability, abdominal pain and other manifestations, it is recommended to the hospital for relevant examinations, clear causes, under the guidance of the doctor for targeted treatment.