6 Amazing Benefits of Sleeping on the Left Side

In a study in The Journal of Clinical Gastroenterology, scientists recruited a group of healthy subjects and fed them high-fat meals on different days to induce heartburn. Immediately after the meals, the subjects spent four hours lying on one side or the other as devices measured their esophageal acidity. Ultimately, the researchers found that “the total amount of reflux time was significantly greater” when the subjects lay on their right side.