If you eat less dinner and your stomach rumbles at night, it may be due to physiological reasons or pathological reasons. 1. Physiological reasons: after the meal on the gastrointestinal tract to produce stimulation, there will be gastrointestinal tract secretion of digestive juices, but due to the meal is relatively small, gastrointestinal secretion of liquid is relatively more, will stimulate the gastrointestinal tract to cause peristalsis accelerated, there will be the phenomenon of the tummy gurgling. 2. Pathological reasons: such as gastrinoma or gastroduodenal ulcer and other digestive diseases, there will also be an increase in gastric acid secretion, leading to gastrointestinal peristalsis to accelerate the appearance of the night doo doo doo doo doo doo doo doo doo doo doo doo doo doo doo doo doo. Dinner eat less night gurgling, there may be due to hyperthyroidism and other problems caused by, so can not simply consider is due to eat less caused by, if often this is recommended to go to the hospital for medical treatment.