About.com- Sleep Disorders
http://www.sleepdisorders.about.com/
American Academy of Sleep Medicine
American Association for Respiratory Care
American Association of Sleep Technologists (formerly the APT)
American Heart Association
American Sleep Apnea Association
Associated Professional Sleep Societies
Atlanta School of Sleep Medicine
Binary Sleep Forum
Board of Registered Polysomnographic Technologists
Dream Essentials
http://www.dreamessentials.com/
Fisher & Paykel Healthcare
International Association for the Study of Dreams
Mayo Clinic- Sleep Apnea
http://www.mayoclinic.com/health/sleep-apnea/DS00148
Medline Plus: Sleep Disorders
http://www.nlm.nih.gov/medlineplus/sleepdisorders.html
Narcolepsy Network, Inc.
http://www.narcolepsynetwork.org/
National Center on Sleep Disorders Research
http://www.nhlbi.nih.gov/sleep
National Sleep Foundation
http://www.sleepfoundation.org/
Neurology Today (American Academy of Neurology)
http://www.neurologytodayonline.com/
Puritan Bennett
http://www.puritanbennett.com/
ResMed
Respironics
RestlessLegs.org
SleepNet
Sleep Review Magazine
http://www.sleepreviewmag.com/
Talk About Sleep
http://www.talkaboutsleep.com/
World Federation of Sleep Research & Sleep Medicine Societies