Tired All the Time? We Might Have Found the Culprits

... the muscles surrounding your jaw and skull, says Tim Chase, D.M.D., a practicing partner at SmilesNY, a cosmetic dentistry practice in New York City. "Imagine how tired your arm would feel if you were doing biceps curls all night while you slept," ...

http://www.ivillage.com/tired-all-time-reasons-behind-fatigue/4-a-547823