University of Maryland-Medical Center  http://www.umm.edu/sleep/sleep_hyg.htm

The MetroHealth Center for Sleep Medicine's board-certified physicians and highly trained staff use the most advanced technologies to diagnose and treat sleep disorders. In most cases, a simple treatment — often without medication — brings relief from the troubling symptoms associated with sleep disorders.

American Academy of Sleep Medicine  http://yoursleep.aasmnet.org/

This Web site is designed to be a valuable tool for patients and members of the public who are seeking dependable information related to sleep, sleep disorders, treatments and services. Although the processes of sleep and its workings in the body are quite complex, the goal of this site is to present accurate, scientific information in a concise manner that is easy to understand.