I found higher pressures actually increased AHI. Doc narrowed range of automatic "flexing": min now 10.0 cm & top is 12.0. Better sleep with almost no mask leaks & better AHI & Periodic readings.

I would wake up suddenly with air-hunger / suffocation early on with a nose mask. Vendor gave me full face but still had some episodes. I would grab the mask and get a few fresh air gasps, then back to sleep. The solution came when doc raised the auto flex minimum pressure up to 10.0 cm. The vendor ...