”Chronotypes have been studied around the world since the late 19th century. For example, there are reports that it was used to investigate the best time for learning and to check the aptitude of military personnel,” says Kitamura (PHOTO: AFRO).
”Chronotypes have been studied around the world since the late 19th century. For example, there are reports that it was used to investigate the best time for learning and to check the aptitude of military personnel,” says Kitamura (PHOTO: AFRO).