Acidity at bed time & morning, constipat

I have acidity at sleep time in night. Like my food not digest or food stuck. My stomach become tight. In morning same feeling. My current medicine prothiaden50mg 2b.d, freego powder at bed time. I have done endoscopy and ultrasound no ulcer seen and whole body blood test like thyroid,iron,CBC,lipid,iron etc. But l have silent gas without no sound and smell paas after taken Prothiaden. I have taken two times empty stomach gas medicine only 50% relief by pan it two times. Only pantoprazole work but only 50%. In pantorazole I have taken pan it,pan l and pan d.  No rabeprazple,omeprazole work like rabron d, rabsec d, onez d,. Should I take one pantocid  40mg one doze at bed time after meal and other one empty stomach in morning. I have also taken pan it one doze at bed time in night and other one in emty stomach morning but 50% relief in motion