Heartburn occurs when acidic stomach juices pass upward, into the esophagus. To avoid or ease heartburn: avoid late-night eating; eat small, frequent meals; and drink liquids one hour before or after meals versus with meals. Limit caffeine and coffee (both decaf and
regular), alcohol, peppermint, spearmint and chocolate Refrain from lying down soon after eating and elevate the head of your bed four to six inches.
Source: American College of Gastroenterology