Hiccups at night when you rub your stomach clockwise while sleeping may be related to factors such as greasy diet, improper diet and insufficient gastric power. 1. Greasy diet: If you eat too greasy, high-calorie food, it is difficult to be digested after the food enters the stomach, which will cause the abdomen to produce more gas, and it will be easy to appear hiccups or exhaust when rubbing the abdomen. 2. Improper diet: if there is irregular diet, overeating, food in the fermentation process produces a lot of gas, and then the phenomenon of hiccups. 3. Insufficient gastric power: if there is insufficient gastric power, after eating food can not be properly digested, absorbed, will accumulate in the stomach to produce too much gas, when rubbing the abdomen, physical stimulation will promote gastrointestinal peristalsis, the gas will be discharged through the hiccups or exhaust way out of the body. There are many other causes of hiccups when rubbing the stomach at night, if the symptoms are serious, or continue to see no improvement, it is recommended to go to the regular hospital in a timely manner, after clarifying the cause of the disease, under the guidance of the doctor for targeted treatment.