Declining Children’s Happiness and Sleep Deprivation Caused by Excessive Studying

SEOUL, Nov. 20 (Korea Bizwire) — The biggest cause of the South Korean children’s declining happiness and sleep deprivation was “studying.” According to data released Tuesday by Sejong University professor Park Hyun-sun, students’ sense of happiness tended to decline as their grades went up, from 90.4 percent in elementary school to 84 percent in middle [...]