Sleeping on the job used to be grounds for dismissal. But now, years after Cornell University psychologist James Maas coined the term "power nap," companies are beginning to embrace the practice. Today, Nike (NKE
) and Deloitte Consulting are among those that encourage employees to add a midday snooze to their to-do lists. Sleep scientist Sara Mednick applauds this trend. Mednick, a researcher at the Salk Institute for Biological Studies in San Diego and author of the new book Take a Nap! Change Your Life (Workman Publishing), says napping can enhance productivity. She explains how to Associate Editor Arlene Weintraub.
What are the main benefits of napping?