I WAS DRIVING AND HAD JUST COME TO A STOP WHEN I WAS HIT IN THE BACK OF MY HEAD. MY HEAD WENT FUZZY AND MY NECK HURT. I THOUGHT I HAD JUST BEEN HIT FROM BEHIND. I LOOKED AND DIDN'T SEE A CAR BEHIND ME. THAT IS WHEN I NOTICED THAT MY HEADREST LOOKED DIFFERENT IT HAD SPRUNG FORWARD AND HIT ME IN THE HEAD. WHEN I LOOKED AT THE HEADREST IT LOOKED LIKE SOMETHING INSIDE HAD BROKEN.