Take your own machine with you to the surgery and make very, very sure that everyone - doctors, nirses, admin staff - know that you have OSA. You should be wearing a Medic-Alert bracleet identifying that you have sleep apnea. Doctors don't look at the bracelets but nurses do. When you are on the gur...

Been using aromas in my cold water humidifier for a number of years. Don't use them every night though but I do notice a modest imrovement in my sleep when I do.

Try Eucalyptus if you have a mild head cold.

While aromas are nice nothing improves your sleep like getting lots of exercise!