Guilty about that afternoon nap? Don't be. It's good for you.
- Written by Nicole Lovato, Postdoctoral Research Fellow, Adelaide Institute for Sleep Health, Flinders University
Sal/Flickr, CC BY
You may be familiar with that feeling of overwhelming sleepiness during the mid-afternoon. It’s common, occurs whether you’ve eaten lunch or not, and is caused by a natural dip in alertness from about 1 to 3pm. So, if you find yourself...