C.C.
Try having her draw what scares her and then let her rip it up and throw the bad thing in the trash..as for where she got it from it just could of been something that stressed her out..you may never know i do know i have had weird dreams of thing that i have no knowledge of..but try helping her let it go the paper idea worked for my son he was having nightmares about clowns and we drew a picture from his dream and then we rippped it up and let it go...