Getting Sick at Night

I need some type of relief, guys. And I can’t talk to my doctor until Monday.

Every single night I’m getting sick. I’m waking up at the same times in the middle of the night to throw up. It’s typically been just empty stomach acid I’m throwing up. So I thought maybe I needed to eat more before bed. So last night, I ate more. I had pizza and ice cream. And then of course, ten o’clock rolls around and I have to start throwing up everything I’m ate for dinner. And then continuously waking up at the exact same times again to throw up. My doctor gave me a medicine combination to help with nausea. And it helps! I was nausea all day long and not throwing up. But now I’m not nauseas until I have to throw up. Is it something I’m eating and my body is rejecting? I don’t know what to do or how I’ll intake any nutrients at this point because I can’t keep down my food. What could it be and is there anything that helped you during your first trimester?