Sleep Home pages - An extensive listing of sleep related organizations and bibliographies. http://www.sleephomepages.org/
Sleep Research Society - The leading organization of scientists trying to unravel the function and mechanisms of sleep. http://www.sleepresearchsociety.org/
The National Sleep Foundation- Dedicated to improving public health and safety by achieving public understanding of sleep and sleep disorders. http://www.sleepfoundation.org/
About Sleep Disorders
American Academy of Sleep Medicine - The largest organization of physicians and related professionals devoted to sleep disorders medicine. http://www.aasmnet.org/