There is something kind of strange, sort of supernatural, about having your clock die in the early hours of the day the time changes back an hour. My little Indiglo bedside clock died. If I had only it to rely on I would have woken up thinking it was just after 5:AM. It's a reliable clock. No sign it needed a new battery until the very end when it just gave up the ghost. The Indiglo still works. It will let me check the time in the dark. Of course, it will be the wrong time. Isn't that a trick or treat? Think of something small, with a supernatural feeling, that could foreshadow some kind of change or danger in a story you are writing (or could write, or just write a scene for fun).