Sleep Is More Important Than We Thought HD

Immune system malfunctions, insatiable appetites, blood pressure spikes — sleep loss affects way more than just your alertness the next day. Don’t worry, we share some specific ways you can improve your shut eye. Want to learn even more about sleep? Digg + Beautyrest have you covered with all the best articles about sleep, all in once place: http://sleep.digg.com/