Thank you for the response. I just know I'm not a mouth sleeper because my mouth has never been dry - ever. So, I knew something had to change.

I have very mild Sleep Apnea. (Somewhere between 5-6). Anyway, they started me off with a Nasal Mask (ResMed Airfit 30). I tried another one, but this one seems to be the most comfortable. I also bought my CPAP machine (found a ResMed s9 Autoset being sold at a Medical CPAP supply - never been used ...