“Morning people”, who are more alert early in the day, are more likely to cheat and behave unethically in the night hours, researchers say. Psychologists found that early-rising “larks” and late-night “owls” had different levels of honesty depending on the time of day. The study found a link between ethical choices and such internal clocks. Sunita Sah, research fellow at Harvard University in the US, said this had “implications for […]