Researchers at the Sleep and Human Health Institute and Maimonides Sleep Arts & Sciences, Ltd investigated drug failure in 1210 chronic insomnia patients and found 91% of those who completed sleep studies actually suffered from previously undiagnosed sleep apnea, a critical factor likely to be aggra...

Dr. Barry Krakow has written some excellent books - They can be found here: Sound Sleep, Sound Mind - http://sleeptreatment.com Sound Sound, Sound Mind is Excellent! Turning Nightmares Into Dreams (workbook) - http://www.nightmaretreatment.com or http://sleeptreatment.com or http://www.amazon.com/Tu...

Dr. Barry Krakow has written some excellent books - They can be found here: Sound Sleep, Sound Mind - http://sleeptreatment.com Turning Nightmares Into Dreams (workbook) - http://www.nightmaretreatment.com or http://sleeptreatment.com or http://www.amazon.com/Turning-Nightmares-Into-Dreams/dp/B0044E...

Dr. Barry Krakow is located in Albuquerque, NM and has written great books. Sound Sleep, Sound Mind - http://sleeptreatment.com Turning Nightmares Into Dreams - http://www.nightmaretreatment.com ( or on Amazon) Insomnia Cures - http://sleeptreatment.com I've read all of his books and highly recomme...

I highly suggest taking a look at Dr. Barry krakow's Books - He is filled with knowledge pertaining to cpap, bilevel, etc. You can find his books on Amazon or at sleeptreatment.com