Sleep disorder probed - 03/22/06 - The Detroit News

Sleep disorder probed - 03/22/06 - The Detroit News

Staying up late and sleeping until noon usually seems like normal teenage behavior.

But there's increasing concern among doctors that many teens may actually be suffering from a little-known sleep disorder called delayed sleep phase syndrome. It isn't well known and is underdiagnosed, but it may afflict up to several million teens and young adults, according to a 2004 article in the journal Sleep.