Too ill to sleep, exhausted

Sadie
I'm 8 weeks 3 days along and I am exhausted from being so poorly, I have had really bad sickness and nausea and that seems to have eased off but now I have this horrendous burning in my stomach, acid coming out of my nose and my mouth keeps filling up with acid, I have tried sleeping elevated, taking antiacids changing my diet, eating small meals, everything!! I feel like I'm going insane, I am so desperate to go to sleep!! Has anyone experienced the same and found out how to fix it??? I'm so desperate!!