This is a self-help book. OSA or 'obstructive sleeping apnea' is experienced by over 22 million people today if not more since many never report their sleep disorders. This writing is detailed with information that puts the entire process at your fingertips. It is with high hopes that in some way, this book helps those who have OSA and a therapy plan to actually use the device as recommended. This writing is also an excellent source of information...