Columbia University Medical Center
NewYork-Presbyterian Hospital The University Hospital of Columbia and Cornell
All-Day Energy
July 29, 2013

 Expose yourself. As in, give yourself a shot of sunlight. The sun's rays will provide a boost to your circadian clock that should solve your afternoon slump—if you time things right. "The key is adequate exposure to sunlight very quickly after you wake up in the morning," says Michael Terman, Ph.D., a professor of clinical psychology at Columbia University medical center.

 

http://www.menshealth.com/health/all-day-energy/page/2

 

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