Thank you for all your explanations. I could have mouth leaks, as my nose is frequently congestionned. I use a moderate amount of humidity. I don't have GERD. I never had this problem of swallowing air before surgery.Maybe it's because I now have a smaller stomach? I feel it is when the pressure is ...

Hi, I had a fixed cpap for 8 years ( set to 10) but I had a bariatric surgery, and after surgery, the setting was too high, I was swallowing too much air. My doctor suggested to change for a auto-pap and I bought the HC254. But I just cannot sleep well with it. I wake up often and frequently burps b...