What kind of sleeping pillow do you use? I have found a flat firm pillow helps avoid sinking into the pillow, thus dislodging the mask. You may even want to get a cheap foam pillow, look up pictures of some of the CPAP pillows with cutouts to accomodate a mask, and start whacking. Sleeping on the e...

I have had sleep apnea for several years and have been through my fair share of masks. I currently use the amara view mask, which works to a point as long as I can get myself to stay in one position. That is where the problem comes in, I am 295lb so it is very hard for me to get comforable at night....