National Institute of Health (NIH) Guide to Healthy Sleep
http://www.nhlbi.nih.gov/files/docs/public/sleep/healthy_sleep.pdf
National Institute of Health Interactive Sleep Quiz
http://www.nhlbi.nih.gov/about/org/ncsdr/patpub/sleepquiz.htm
The American Sleep Apnea Association Video
http://www.sleepapnea.org/learn/sleep-apnea.html
The National Heart, Lung, and Blood Institute Video – How Sleep Apnea Occurs
http://www.nhlbi.nih.gov/health/health-topics/topics/sleepapnea
The National Sleep Foundation Handouts & Articles about Sleep Disorders
https://sleepfoundation.org/sleep-disorders-problems
The National Sleep Foundation Healthy Sleep Tips
https://sleepfoundation.org/sleep-tools-tips/healthy-sleep-tips
The National Sleep Foundation
https://sleep.org
The Mayo Clinic – 7 Steps to Better Sleep
http://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/sleep/art-20048379
