Hi Aish, sorry to hear that your stomach has been giving you trouble, and that your sleep is also being affected I have had both problems as well and neither is fun!
I used to wake up to panic, then nausea, and it led me to fear that I would vomit as well. It is hard to calm yourself down when you wake up frightened and disoriented, but I find that mantras help.
As I breathe slow, deep breaths I repeat 'I'm okay, this is only fear' This is my favoite saying, you can try it, or use your own to suit you. This helped me to calm down quickly and fall back to sleep.
Another thing that you might want to consider is your stomach acid level. If you haven't already been checked out for GERD, you may want to look into it. I didn't realize that chronic nausea was a sign of this. I always thought that it had to do with heartburn only. People who suffer anxiety also often have GERD/stomach issues due to high acid (the body over-produces it when stressed)
I hope that this gives you some relief, and that you can start to feel better soon. Glad to hear that you are still in school:) are things going better for you now? Hope so! Let us know how you are doing soon,
"Courage is not the abscence of fear, it is feeling afraid and doing it anyway!"
"It is when we are most lost that we sometimes find our truest friends"
Panic Syndrome recovery due to CBT