Sleep for Kids http://www.sleepforkids.org/
Kids Health (sleep) http://kidshealth.org/kid/stay_healthy/body/not_tired.html
Importance of Sleep http://www.apa.org/topics/whysleep.html
Teaching Kids the Importance of Sleep http://homeschooling.about.com/b/2004/09/08/sleep-for-kids-teaching-kids-the-importance-of-sleep.htm
Good Sound Sleep for Your Child http://www.webmd.com/sleep-disorders/guide/good-sound-sleep-for-children