Sleep is key to proper brain function. Elements such mood, perspective, energy, alertness, and internal recovery are influenced directly by our sleep habits. On the whole, we are a sleep-starved nation: over fatigued and paying the price.

Read more about sleep and the benefits of napping in Take a Nap! Change Your Life, a new book by Sara C. Mednick, Ph.D. Excerpts of the book and a more detailed synopsis are available here.