Heartburn is that burning feeling you get when stomach acid meets the lining of
your esophagus (the tube that carries food from your mouth to your stomach). It’s
is also the most common symptom of acid reflux disease.
When stomach acid repeatedly escapes into the esophagus, this creates a painful
sensationoften like an intense burning in the chest and throat. Heartburn
tends to occur or get worse after eating, lying down at night, or bending over.

Understanding nighttime heartburn
A study has revealed that nighttime heartburn is more common than previously thought.
Nearly 8 out of 10 people with acid reflux disease suffer from nighttime heartburn.
Factors that can contribute to nighttime heartburn:
Try these nighttime tips:
Next: Other symptoms