books.google.com.au - David Hufford's work deals with the so-called Old Hag experience, a psychologically disturbing event in which a victim claims to have encountered some form of malign entity while dreaming (or awake). Sufferers report feeling suffocated, held down by some "force," paralyzed, and extremely afraid. The...http://books.google.com.au/books/about/The_Terror_that_Comes_in_the_Night.html?id=QoBKzWjw2vYC&q=witch&utm_source=gb-gplus-shareThe Terror that Comes in the Night