Fourteen Tips for Getting More Sleep -- and Why It Matters.

Every Wednesday is Tip Day.

Since I started my happiness project, I've become more and more convinced of the importance of sleep to happiness. That's why I proposed "Get more sleep" as the very first resolution of the 2010 Happiness Challenge (see the video here). Many researchers argue that not getting enough sleep has broad health consequences, such as raising your risk for cancer, heart disease, diabetes, and even...