I will work on getting the leaks lower. I had bought a chin strap that I used for a few nights but I'll try it again and see how the graphs change - or tape.
Thanks for your quick and detailed responses, I appreciate it.

60 year old male, 185 pounds. Fairly active with golf, gym, bike, travel. Started using cpap 9 months ago. Resmed Airsense 11, airfit p10 nasal pillows. Have been using the machine fine since the first day. Was breathing through my mouth to start but have solved that problem. I have always been able...