defiantly indigestion...I hate it
If tums don't work you can try slowly drinking a glass of milk. If that doesn't work try baking soda and water before bed. People say sucking on ice cubes helps as well. Zantac is safe to take if nothing else works. I find the baking soda is the only thing that works for me though. I tried not eating big meals or at night and it made no difference. Hopefully you're able to sleep tonite
I think what you're talking about is acid reflux. Try taking some tums. That usually helps me. I get it really bad at night.