S2 • E5 Sep 29, 2004 26m
Over 40 million American adults suffer each year from a variety of chronic, long-term sleep disorders. There are more than 70 different sleep disorders that are usually classified into three major categories: lack of sleep, or insomnia; disturbed sleep, such as obstructive sleep apnea; and too much sleep, known as narcolepsy. Learn more about sleep disorders and how they can be easily managed once they are diagnosed.
