Sleeping on the stomach bloating hiccups, mainly related to increased secretion of gastric acid and delayed gastric emptying restriction.
First of all, sleep vagus nerve excitation, can promote gastrointestinal digestion and absorption function, gastric acid secretion increases, some food in the role of gastric acid to generate more gas, it will be in the form of hiccups discharged.
Secondly, sleeping on your back in a stooped position, so that the stomach is compressed, affecting gastric emptying, gastric contents oppress the stomach wall, showing a feeling of gastric distension.
Under these two mechanisms, sleeping on the stomach is prone to gastric distension and hiccups. Usual life should pay attention to sleep in the supine position or side position, avoid sleeping on the stomach after eating something, so as to avoid stomach discomfort, bloating and hiccups.