Yep, this is a real problem with my Swift FX pillows mask.
I often use a handkerchief over my eyes to help protect them from the draft. I also seem to have fewer problems when my head is completely under the covers for some reason
current settings Min EPAP = 4, Max IPAP = 8 and Rise time = 3
8/1/2010 sleep study results:
AHI = 3.9 [AHI = (#OA +#CA + #H w/desat) per hour]
RDI = 23.4 [RDI = (#OA +CA + #H w/desat + #H w/arousal) per hour]
Dx: Moderate OSA