For information about sleep disorders, common treatments for sleep disorders, and the different types of sleep studies:
www.sleepeducation.com  

For the Sleep in American Poll, National Sleep Awareness Week and other sleep related information:
www.sleepfoundation.org  

The American Academy of Sleep Medicine:
www.aasmnet.org  

The American Sleep Apnea Association:
www.sleepapnea.org