Hmmm...literal 'night mares'. We all have a dark side... maybe yours is coming out through your dreams. <img src="/images/graemlins/blush.gif" alt="" />
If you are finding your rest is disturbed, or are feeling this is not coming from you & you are scared by it, get a piece of black tourmaline- read the post on 'a poltergiest? Invisible force' for more info.