When I take afternoon naps, especially if I have not slept much recently, I (a) drift to sleep and have a horrifying nightmare in which I am sleeping wherever I fell asleep and then stalkers and serial killers come after me. (b) awake drenched in sweat, screaming and/or already running away from wherever I fell asleep. But at night, I have pleasant, vivid dreams. I also have several dreams that are continuations of earlier dreams and/or are recurring dreams. The worst one is a nightmare that
