For millions of Americans who struggle with sleep apnea, using a CPAP machine might feel like an inconvenience — the mask feels uncomfortable, the machine ...

from full-face to nasal mask to nasal pillow. Of the 39 million Americans, the National Council on Aging estimates that only 33 million use CPAP machines, because they can be intrusive.

Unfortunately, CPAP machines do not last forever ... For example, if your CPAP mask only covers your nose (e.g., nasal pillow masks), you will naturally begin to breathe through your mouth.