Thanks Bill
I have copy of the sleep studies already. There doesn't appear to be any other sleep issues. One thing I note is that total Stage 3 & 4 sleep during my CPAP study was only 15%, and it all occurred before midnight. Even after I titrated to 7, I never went back to Stage 3 & 4.
I am a light sleeper after the first four hours of sleep, and I kept waking up due to having a mask on. I was taking Lunesta to help keep me asleep, which worked real well

Unfortunately, it costs a bundle, so after the free samples ran out, I have switched to Ambien. It seems to work OK. I think I feel about the same whether I wake up five times a night or sleep straight through.
My Dr. thinks that even though I am sleeping with the CPAP, my body does not like it and refuses to go to Stage 3 & 4. He thinks the appliance may work. I have my doubts, and don't want to pay the big bucks on a wild-a** theory.