"Narcolepsy Fact Page." Ninds.Gov. 4 May 2008 <http://www.ninds.nih.gov/disorders/narcolepsy/narcolepsy.htm>.
"Narcolepsy." World Book Encyclopedia. 2006.
"What is Narcolepsy?" 8 May 2008 <http://www.nhlbi.nih.gov/health/dci/Diseases/nar/nar_what.html>.
"Narcolepsy." Med.Stanford. 8 May 2008 <http://med.stanford.edu/school/Psychiatry/narcolepsy/>.
Bayer, Linda. Sleep Disorders. City Not Available: Chelsea House, 2001. 27-34.
Brown, Robert F. "Narcolepsy." Medicinenet. 4 May 2008 <http://www.medicinenet.com/narcolepsy>.Pictures from clipart.com
Smith, John. Narcolepsy and Epilepsy New York: Chelsea 2000. 1- 22
"Narcolepsy and Sleep Disorders." Webmd. 6 May 2008 <http://www.webmd.com/sleep-disorders/narcolepsy>.
"Educational Page." Narcolepsynet. 8 May 2008 <http://www.narcolepsynetwork.org/info.php>.