no heartburn for me.. i cant sleep on my stomach only my back and right side.. i cant feel my port but my doc said that i may not feel it until i drop alot of wait and even than i would have to press to feel it once im at my goal weight i would be bale to feel it sooner.. he also said if u have the realize band its harder to feel cause its flatter as were the labband is thicker so u would feel that easier