Sleep-starved Japanese adults need to shoot for at least six hours of slumber a night, according to the health ministry’s recommendations on improving the duration and quality of the nation’s ...
But adults can become overtired too, robbing them of longed-for sleep that can set a vicious cycle in motion.Two experts explain what overtiredness is and how to break the cycle:Overtiredness is ...
When young adults start working, the amount of daily physical activity they do increases sharply, only to fall away again over the new few years, while the amount of sleep they get falls slightly, ...