I also use the Opti-life, and the stabilizer seems to work for me. I have not tried it with my chin strap that I use when I switch to other masks for a few nights just to change the pressure points on my nose.

For me the best side sleeper is the new version Breeze with nasal pillows. I have used the nasal aire II and older versions of the Breeze, but the new one is more comfortable because the hose goes over my head and out of the way. With the nasal aire, the hose would sometimes be dislodged when I roll...