You are suffering due to excessive acidity in your stomach which is a result of inflammation in the gastric mucosa as a result of some food that your body is reacting to. This is a very common problem and you don’t have to worry since it is curable.
Next Steps
You need to observe what food products cause more gas by maintaining a food dairy. If any particular food is causing more problem you need to avoid it. You can consult Dr GAURANG on Arka.health who is a functional medicine expert which is best suited for your problem
Health Tips
Have timely food
Avoid spicy, oily and sour foods
Have light dinner
There should be atleast 2 hours gap between dinner and going to bed