Inclined to skip a few hours of sleep to squeeze in some holiday shopping? If you do, think twice before getting behind the wheel to head over the river and through the woods. A new report from the AAA Foundation for Traffic Safety says that missing an hour or two of sleep doubles the risk of a crash, and that sleeping five hours or less is at least as dangerous as driving drunk.adcelannotate = {"mobilepaywallcategory" : "MOBILE_PREM-LOCAL","nativepaywallcategory" : "NATIVE_PREM-LOCAL"};