Whether you are an early bird or a night owl may not only determine when you prefer to sleep -- it can also affect your personality and quality of life. And it looks like night owls may have it tougher when it comes to their overall well-being and functioning in a predominantly 9-to-5 world. In a recent study, researchers at the University of Barcelona, Spain, compared "morning people," those early birds who like to get up at dawn, and "evening people," night owls who prefer to stay up late and sleep in. Among the differences they found is that morning...
