Morning People Happier Than Night Owls

Morning-type people also tended to say they felt healthier than did night owls. The researchers said this could be because they are getting better sleep since they are naturally morning people. It could not only make them feel more alert, but actually impact their immune system.

One easy happiness booster? Hack your sleep schedule to turn yourself into a morning person. "One way to do it is to increase your natural light exposure early in the morning, and to wake up earlier and go to bed earlier," Biss said.

LiveScience: Morning People Are Actually Happier Than Night Owls