I was sent home with a three-week scrip for sucralfate, a sickly sweet, sticky, chalky, gritty, syrup that I was to take an hour prior to eating, and it was for the same reason. The TEE and ablation can irritate the esophagus, and they want to control inflammation and erosion caused by stomach acids and regurgitated food, or even acidified food material burped up to clear gas, which CAN happen during sleep, let alone eating.