American Academy of Sleep Medicine (www.aasmnet.org)

American Association of Sleep Technologists (www.aptweb.org)

American Sleep Apnea Association (www.sleepapnea.org)

American Association of Respiratory Care (www.aarc.org)

American Narcolepsy Network (www.narcolepsynetwork.org)

 National Institute of Health (www.nih.gov)

National Heart, Lung and Blood Institute (www.nhlbi.nih.gov)

Restless Legs Syndrome Foundation (www.rls.org)

The American Board of Sleep Medicine (www.absm.org)

The American Insomnia Association (www.americaninsomniaassociation.org)

 American Academy of Dental Sleep Medicine (www.dentalsleepmed.org)

Advance for Sleep.com (www.advanceforsleep.com)

Associated Professional Sleep Societies (www.apss.org)

National Sleep Foundation (www.sleepfoundation.org)

National Sleep Foundation Drowsy Driving Information (www.drowsydriving.org)

Link between sleep apnea, Alzheimer's disease under study                                                         (www.news-service.stanford.edu/news/2001/october3/alzheimer.html)