Tea and cola should be avoided, including the decaffeinated products. Take all medications with a large glass of water at least 2 hours before retiring. Chew your food thoroughly. Limit highly acidic foods if they produce discomfort. These include citrus fruits, tomatoes and hot spices.
Stress can increase the reflux of acid particularly if it occurs during or after meals.
Quiet, non-stressful, meals eaten slowly are best. Stop smoking or chewing tobacco. It is particularly important not to smoke before going to bed. Acid is better removed from the esophagus if gravity works for us. This is particularly true at night.