Heartburn is the burning feeling you get when stomach acid comes in contact with
the lining of your esophagus (the tube that carries food from your mouth to your
stomach). Heartburn 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 get worse after eating, while lying down at night, or when 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 heartburn at night.
Factors that can contribute to nighttime heartburn:
Try these nighttime tips:
Next: Other symptoms