The amount of time food stays in the stomach is usually between 5 minutes and 6 hours, depending on the individual. The process of emptying food from the stomach into the duodenum is called gastric emptying. About 5 minutes after food enters the stomach, peristalsis begins and gastric emptying begins. The rate of emptying is related to the nature and chemical composition of the food. The rate of emptying is related to the nature and chemical composition of the food. Liquid foods empty faster than solid foods, isotonic liquids faster than non-isotonic liquids, and small particles faster than large chunks of food. Of the three major nutrients, sugary foods emptied fastest, followed by proteins and finally fats. The time for complete emptying of mixed foods is 4 to 6 hours. According to the time of gastric emptying, so the time food stays in the stomach is usually 5 minutes to 6 hours. If you have any uncomfortable symptoms, you should consult a doctor to identify the cause and follow the doctor’s advice for further treatment or therapy.