I am still at the evaluation stage to determine what works best for me CPAP or APAP, what levels etc. I am a side sleeper, use a full face mask, and have small nasal passages. As part of the evaluation, I was getting AHI's all over the map, which didn't settle down completely even with pressure incr...

Increasing pressure to reduce OSA seems to increase CSA, something to do with acid. Which is worse, what is the balance and how is this acheived?