I want to buy a WINX machine and will consider either a new or used machine from any source. I have a prescription (in case you care). I'd be very thankful if anyone has leads (or a machine). I'd also like to buy a mouthpiece, new or used, even if you don't have a machine. I would also welcome conta...

This post is based on my current understanding, which could change and should be verified by independent sources. With that caveat, I'll proceed. The issue the person is experiencing falls under the category of "complex" sleep disordered breathing, which is estimated to affect a not-insubstantial mi...