When I got my CPAP machine and began to use it ... that hooks to a-- I guess you would call it like a pump. You have the hose that attaches to the mask, and you know, you get tangled up in ...

Then, try wearing the mask with the hose. Next, add the straps. When you're ready, turn your CPAP machine on low. Start with 10 minutes, and slowly increase the time you wear it. Try doing ...

For one, the machine uses a powerful centrifugal fan rather than the wimpy axial “muffin” fans we usually see on 3D printers. Second, the CPAP pushes air down a lightweight and flexible hose ...