Hedgehog escape,frightened?

Why does my hedge hog all of a sudden keep trying to escape. He suceeded one night and i found him under a dresser by some cords i tryed to pick him up and he would not stop hissing. He is now very frightended. I have a 15x32 cage with a ferret sleeper wich he loves to burrow in and go under i have about 3 in of kiln dried pine bedding a litter box a watter bottle and food dish what is the problem and will he ever be nice again thanks for any help