DENVER
06/30/2010 05:12 am ET Updated May 25, 2011

Ken Culler, Army Veteran, Drove 100 Miles Through Dangerous Mountain Passes In A Snow Storm While In Ambien Trance

DENVER - Million of people suffer from sleep disorders and turn to prescription drugs for help.

But more and more people using the sleep aid "Ambien" are experiencing bizarre and dangerous behavior.

They black out, some see terrifying hallucinations, others sleep walk, sleep drive even sleep eat. And most of them have no memory of their action--whatsoever.

Read more on KDVR