Sleeping Well Feels Just as Good as Winning the Lottery

It’s no secret that a good night’s sleep can do wonders for your mood. Now, a new study shows that improving your Z's over time is associated with better health and well being. In fact, researchers say, scoring better shuteye perks up mental health as well as winning the lottery.

The findings come from analysis of more than 30,500 British people who were followed for about four years.