The concern can you die from acid reflux in your sleep is often raised by people experiencing severe nighttime reflux. Acid reflux itself is usually not fatal, but serious complications can occur in rare cases. Severe reflux may lead to aspiration, where stomach acid enters the lungs, potentially causing breathing issues. Chronic untreated reflux can also increase the risk of esophageal damage. Sleeping on the left side, elevating the head, and avoiding heavy meals before bed can reduce nighttime symptoms. Anyone with severe or persistent reflux should seek medical advice for proper management.