National Institutes of Health (NIH)
Official website of the National Institutes of Health (NIH). NIH is one of the world's foremost medical research centers. An agency of the U.S. Department of Health and Human Services, the NIH is the Federal focal point for health research. The NIH website offers health information for the public as well as medical professionals.

American Academy of Sleep Medicine (AASM)
The American Academy of Sleep Medicine is a professional membership organization dedicated to the advancement of sleep medicine and related research. The AASM's mission is to assure quality care for patients with sleep disorders, promote the advancement of sleep research and provide public and professional education.