Babies like to sleep on their stomachs may be related to baby’s insecurity, abdominal pain, indigestion and other factors. 1. Due to the baby in the uterus when the basic to maintain a flexed position, after the birth of the environmental factors of the change, the baby likes to sleep on their stomach, so as to be able to obtain a greater sense of security. 2. If the baby is suffering from abdominal pain due to intestinal infections, intestinal allergies and other diseases, sleeping on the stomach can relieve the symptoms of abdominal pain, so the baby will like to sleep on the stomach. 3. When the baby indigestion, sleep on the stomach can relieve the symptoms of bloating, can promote gastrointestinal tract peristalsis, so the baby also like to sleep on the stomach. Babies like to sleep on their stomachs, there may 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.