Daylight saving time in the United States ends at 2:00 A.M. this Sunday, November 6, signaling the definitive end of longer days and the beginning of winter months filled with mugs of hot chocolate and peppermint bark. For many, the end of daylight saving time can be a little disorienting, even if the extra hour is a welcome one. We've put together a list of five alarm clock apps that are so fun, users won't have any trouble remembering to make adjustments to their daily schedules.