CPAP
I used it at the beginning after surgery. But then I started taking it off during the night in my sleep. It was so uncomfortable. I am told I don't snore at night anymore. I also don't wake up at night because I am not breathing like I did before my CPAP. I told my sleep study doc. We are waiting until March to re-test me but he said I could quit using it.
Air in the stomach is a sure sign that your pressure is now too high. As you lose, your pressure will need to be regularly adjusted down. I wouldn't ditch it entirely as others have suggested or done. Untreated sleep apnea wreaks havoc on your metabolism, and you want to be in prime losing shape. Call your sleep clinic and ask them for an at home test.