Thanks for the information. I will try a cream to help with the seal, and check the tightness of my chin strap.

I have a resmed airsense 10 autoset with a airfit P10 nasal pillow and a chin strap. When I put it on, it seems to fit just fine, but when I sleep, at some point it makes a loud hissing noise that keeps my wife awake. She made an audio recording and it sounds like the mask is leaking really bad. I'v...