8 Everyday habits that could shorten your lifespan

Staying Up Late

"Many adults do not sleep enough," says Cederquist. "So many people will zone out in front of the TV or graze on junk food because they are tired. Neither provides as much energy and relaxation as getting the right amount of sleep does." Sleeping less than six hours a night makes you 12 percent more likely to die prematurely than someone who sleeps up to eight hours, according to a study from the journal Sleep.