thanks, I'll give it a try
It's possible, but I wonder if it's acid reflux since it is related to lying down. There are many antacids you could try, but my boyfriend discovered that taking Metamucil completely controls his heartburn. He uses the pill form rather than the powder form. He was taking it to control his high cholesterol, and it works well for that. It wasn't surprising that it improved his bathroom experience and made him feel great that way, but what surprised him was that he stopped having heartburn. Any time he misses his Metamucil, the first symptom is the return of heartburn. Give it a try.
I think if it was your gallbladder, the symptoms would come after a fatty lunch too. Plus you might be vomiting every morning. I guess coffee was doing that to me when I had gallbladder stones. It was every single morning.