AAA Foundation for Traffic Safety
http://www.aaafts.org
Academy of Dental Sleep Medicine
http://www.thesdds.org
American Academy of Sleep Medicine
http://www.aasmnet.org
American Board of Sleep Medicine
http://www.absm.org
American Fibromyalgia Syndrome Association
http://www.afsafund.org
American Sleep Apnea Association
http://www.sleepapnea.org
Associated Professional Sleep Societies
http://www.websciences.org/apss
Association of Polysomnographic Technologists
http://www.aptweb.org
Books for Sleepless Nights (sleep book reviews)
http://www.sleephomepages.org/books
Canadian Sleep Society
http://www.css.to
European Sleep Research Society
http://www.esrs.org
German Sleep Society
http://www.uni-marburg.de/sleep/dgsm/welcome_.html
Narcolepsy Network
http://www.narcolepsynetwork.org
National Center for Sleep Disorders Research
http://www.nhlbi.nih.gov/about/ncsdr/index.htm
National Narcolepsy Registry
http://www.narcolepsyregistry.org
National Organization of Rare Disorders, Inc.
http://www.nord-rdb.com/~orphan
National Sleep Foundation
http://www.sleepfoundation.org
Northeastern Sleep Society
http://sterling.holycross.edu/departments/psychology/
awolfson/nesshome.htm
Restless Legs Syndrome Foundation
http://www.rls.org
SIDS Syndrome Alliance
http://www.sidsalliance.org
Sleep Home Pages
http://www.sleephomepages.org
Sleep Medicine Home Page
http://www.users.cloud9.net/~thorpy
Sleep Net
http://www.sleepnet.com
Sleep Quest, Inc.
http://www.sleepquest.com
Sleep Research Laboratory (UK)
http://www.sleephomepages.org
Sleep Research Society
http://www.srssleep.org
Sleep/Wake Disorders Canada
http://www.geocities.com/~sleepwake
Society for Light and Biological Rhythyms
http://www.sltbr.org
Stanford University Center of Excellence for the Diagnosis and Treatment of Sleep Disorders
http://www.med.stanford.edu/school/psychiatry/coe
University of North Carolina Highway Safety Research Center
http://www.hrsc.unc.edu
University of South Australia's Centre for Sleep Research
http://www.unisa.edu/au/sleep
Walter Reed Army Institute of Research
http://wair-www.army.mil