Abdominal pain when sleeping on the stomach may be due to increased intragastric pressure, there may also be due to the patient’s dietary impurity caused by acute gastroenteritis, there may be patients who originally suffered from chronic gastritis and other diseases. 1. Physiological factors: sleeping on your back, because the human body’s chest and abdomen is bowed, so it can lead to the human body’s intra-abdominal pressure and gastric pressure increases, so it can cause abdominal pain symptoms, this is a normal phenomenon, adjusting the sleeping position can be improved. 2. Acute gastroenteritis: If patients eat unclean food, acute gastroenteritis, then there will be symptoms of abdominal pain, this abdominal pain and whether the patient sleeps on his stomach has nothing to do with, change to other sleeping position can also appear abdominal pain. 3. Chronic gastritis: If the patient originally suffered from chronic gastritis and other diseases, can also appear when sleeping on the stomach symptoms of abdominal pain, this abdominal pain is also not related to whether the patient sleeps on the stomach, the patient can also appear nausea, belching and other symptoms. Excluding physiological factors, if the patient sleeps on the stomach when the symptoms of abdominal pain continue not to relieve, it is recommended to consult a doctor in a timely manner to identify the cause, please doctor to deal with.