The good news and my main question is: My AHI has ranged from about 2.5 to 6.5 for the past four nights. Do the large air leaks render my other stats as bogus or are the other stats still reliable?
One footnote. It occurred to me that pillow friction was an issue with my AirFit10 nasal pillows. I remembered decades back that my wife had satin pillow cases to keep her hair from getting so messed up after a trip to the beauty shop. I went and bought one and the three nights I remembered to use it I did noticeably better with my Airfit 10 needing readjusted through the night. I have and AirFit "for her" coming. It may also help.