Medlineplus Sleep Disorders Information
http://www.nlm.nih.gov/medlineplus/sleepdisorders.html
Medlineplus – excellent general health information
http://medlineplus.gov/
Web MD Sleep Disorders Health Centre – sign up for their free newsletter and sleep tracker
http://www.webmd.com/sleep-disorders/default.htm
National Sleep Foundation
http://www.sleepfoundation.org
Tips for Shifts Workers – National Sleep Foundation
http://www.sleepfoundation.org/article/sleep-topics/shift-work-and-sleep
Take a Sleep Test!
http://www.sleepnet.com/sleeptest.html?plmd=ON&plmd=ON&plmd=ON&plmd=ON&submit=Calculate+Score
Sleep Apnea – National Institute of Neurological Disorders and Stroke
http://www.ninds.nih.gov/disorders/sleep_apnea/sleep_apnea.htm
National Centre of Sleep Disorders Research
http://www.nhlbi.nih.gov/about/ncsdr/
National Heart, Lung and Blood Institute
http://www.nhlbi.nih.gov/health/public/sleep/
The Better Sleep Council (a non-profit organization supported by the mattress industry) – tips for healthy sleep and buying a mattress
http://www.bettersleep.org/
Harvard Medical School Division of Sleep Medicine, Sleep Performance and Public Safety
http://healthysleep.med.harvard.edu/healthy/matters/consequences/sleep-performance-and-public-safety