Sleep Position for Heartburn - (Acid Reflux)
Raising the head of your bed 6 in. (15.24 cm) to 8 in. (20.32 cm) will help keep stomach acid from flowing into your esophagus when you are sleeping. You can do this by putting blocks underneath your bed frame or by placing a foam wedge under the head of your mattress. Using extra pillows will not work.
Lying down shortly after eating will also increase the chance of getting heartburn. Do not lie down within 3 hours of eating.