SleepNet
Everything you wanted to know about sleep disorders but were too tired to ask. Open Sleep Forum. SleepNet links to over 200 sites. http://www.sleepnet.com/
National Sleep Foundation
Nonprofit organization supporting public education, sleep-related research, and advocacy related to sleep deprivation, sleep disorders, and excessive sleepiness. Extensive information on these topics. http://www.sleepfoundation.org/