Early risers are most likely to be healthy, wealthy and wise, according to the old saying. But those who are early to bed and early to rise do not always have advantages, researchers say. They have found that night owls  are generally brighter and wealthier than those who are able to get up early in the morning. Experts from the University of Madrid carried out tests on around 1,000 teenagers and found that those who preferred to stay up late showed the kind of intelligence to find good jobs and earn much money. Larks or "morning people", however, often get better exam results, possibly because lessons are held at the wrong time of day for night owls. The researchers examined the habits and body clocks of the young people to determine whether they liked to stay up late and sleep later in the morning, or preferred to go to bed early and were at their best state in the morning. School performance and problem solving ability, were judged and test grades in the major subjects were also taken into consideration. Jim Horne, professor of psychophysiology at Loughborough University, said: "Evening types tend  to be the more creative types, the poets, artists and inventors, while the morning types are considered to be civil servants and accountants . " The research may include questions about the following EXCEPT  _  .
favorite sports grades in main subjects living habits and body clocks school performance