Hello, I am suffering from gastritis from a long time. Two years back GERD started bothering me as well. Used Pantoprazole and that seemed to help me a lot. My sleep patterns have changed because of GERD. A week ago, while sleeping, I am feeling internal tremors in the back of my spine (only internal). But not when I am awakened. Are these related? Not sure what is causing them. Could that be stress / anxiety, GI Tract issues, pinched nerve or something else? This is kind of driving me crazy.