If you’ve ever experienced a burning sensation in your chest after a meal, you’re not alone. Acid reflux affects millions of people worldwide, and it can be more than just an occasional inconvenience. For many, symptoms worsen at night and impact sleep quality. Let’s explore what acid reflux is, how to recognize acid reflux symptoms, and why GERD symptoms at night can be particularly troublesome. What Is Acid Reflux? Acid reflux occurs when stomach acid flows back into the esophagus—the tube connecting your mouth and stomach. This backwash of acid irritates the lining of the esophagus and causes discomfort. When acid reflux becomes chronic, it can develop into GERD ( gastroesophageal reflux disease ). Learn strategies to reduce reflux in our guide: How to Stop Acid Reflux. Common Acid Reflux Symptoms Recognizing acid reflux symptoms can help you address the problem before it becomes chronic. Symptoms often include: A burning sensation in the chest (heartburn) Regurgitation of food or s...