7 Tricks to waking up early
Not only does the early bird get the worm, he’s generally happier and has a higher overall satisfaction with his life.
“We don’t know why this is, but there are a few potential explanations. Evening people may be more prone to social jet lag; this means that their biological clock is out of sync with the social clock,”
Read more: http://www.businessinsider.com/how-to-wake-up-earlier-2013-1#ixzz2I3LKWF5V