"Washington State University researchers have found that an unexpectedly high percentage of young people experience 'exploding head syndrome,' a psychological phenomenon in which they are awakened by abrupt loud noises, even the sensation of an explosion in their head."

http://feeds.boingboing.net/~r/boingboing/iBag/~3/63RFbmHaxiQ/those-kids-and-their-explodi.html