Sleeping on Your Left Side Sleep Tips for Reflux Relief If you deal with acid reflux or GERD, one often-overlooked factor can make a noticeable difference: the side you sleep on . Your sleep position directly affects the relationship between your stomach, esophagus, and gravity — and that matters more than most people realize. 📌 Why the Left Side Helps Sleeping on your left side keeps the stomach positioned below the esophagus , making it harder for stomach contents to trav