Dec 27, 2013 9:52 AM by Lindsay MacLeod, KSBY News
Feeling overly tired may not be tied to how long we sleep, but instead to when we sleep.
Experts say social obligations keep us from sleeping more closely with natural light patterns. German researchers are calling it "Social Jetlag."
Social Jetlag is the difference between the time we are forced to wake up and our optimal biological wake up time.
The mismatch is linked to an increase in alcohol, cigarette, and caffeine use, as well as a 33 percent greater chance of obesity.
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