Thanks for all your comments! The machine is performing nicely for my Wife and we're both sleeping well and in the same bed, again!

Cheers!
BR

Actually, it happened in the Thrift Store (Savers in Phoenix, AZ). My wife and I had just come from her neurology appt. following her sleep study the previous week. We learned that, yes in fact, she suffers from acute apnea and stopped breathing during sleep 192-times within the 2-hr study period. S...