Source: Why Morning People Rule The World, Inc Magazine (edited)
Natural Morning People get up early naturally. They are not people who forced themselves to get up early.
They are more sucessful than Night People because they are more pro-active. They anticipate problems and try to minimize them.
Night People are smarter and more creative and they have a better sense of humor
Half of your chronotype is inherited so changing the hour you wake up will not change your nature.
Chronotypes change with age. Teenagers are evening types. Between 30 and 50 people are evenly split between morning and evening types. People become morning types as they pass through their 50s.