German scientists have potentially discovered a genetic reason why some people are morning people whereas others are night-owls. The gene called ABCC9 dubbed "morning person" gene was identified by analyzing 4251 individuals who reported their sleeping pattern. The ABCC9 variant type and number of copies significantly affected the number of hours of sleep. To confirm this finding, scientists modified the ABCC9 gene in the fruit fly and obtained similar results. The gene codes…