New research, using objective measures of sleep rather than subjective reports, has shown that not only do people in Asia go to sleep later and have shorter sleep, they also have lower sleep quality than those in other parts of the world. Additionally, their sleep during the work week is more variable and they do not extend their sleep as much at the weekend.
Click here for original story, Sleep data from over 220,000 people reveal global differences in weekly sleep variability and sleep extension
Source: ScienceDaily