John, as a member of the SleepGuide Crew I would like to welcome you to the forum. We are all about sleep. Sleep, lack of sleep, sleep disorders, wakefulness disorders, diagnosis, treatment or not, problems with treatment, tips, success stories- anything you can think of about sleep. We help navigate the support system of sleep professionals, DMEs, and family support. This forum is a place to fill in gaps in your knowledge and help others do the same, deal with treament problems such as mask fitting and using the machine through the night and using the machine while ill.