Jan. 28, 2007 — Tired? Much of the nation is, too, and lack of sleep could mean more than just red eyes or grogginess.
50 to 70 million Americans have some type of sleep disorder or chronic under-sleeping that impairs their day-to-day performance.
http://abcnews.go.com/GMA/OnCall/story?id=2829815&page=1
50 to 70 million Americans have some type of sleep disorder or chronic under-sleeping that impairs their day-to-day performance.
http://abcnews.go.com/GMA/OnCall/story?id=2829815&page=1