Want to be happier and slimmer? Get up earlier

The next time you are tempted to hit the snooze button on your alarm clock, hold fire.

Research suggests that early risers are slimmer, happier and healthier than those who get up later in the day. Worst off are night owls, with late nights seemingly taking their toll on health and happiness.
Roehampton University researchers quizzed almost 1,100 men and women about their health and sleeping habits.