Really scary thought please look and answer?

i had a really bad dream about vampires maybe the devil i dont know anyways at the end they started talking and said/ pointed in my general direction, could this possibly send a demon after me, yesterday night in the bewitching hour 3-4 i was in my room alone looking for answers to this then my dog walked in my room the lights flickered 3 times then my computer turned off, i went to my living room and everything was on my desktop everything please im looking for answers