Recently I spent the night constantly being woken up by the feeling that something was watching me. That was two nights ago. Last night (26/3/13) I was watching a movie when the TV started warping the image and sound. This has never happened before and the TV is brand new. Now this morning I have woken up to three dark fresh scratches on my neck. This has also never happened before. My question is should I be worried that something dangerous is in my houseor is someone trying to warn me?