I use a Resmed P30i, which I find really comfortable, but if either of the tubes on the side of my head get compressed, it gets noiser, or if the vent at the to

I use a Resmed P30i, which I find really comfortable, but if either of the tubes on the side of my head get compressed, it gets noiser, or if the vent at the top of the head is too close to a surface, which means I now sleep in pretty specific positions to avoid disturbing my wife. Still, better than keeping her up with my incessant snoring, I guess.