Sleep Patterns Vary From Country to Country, Shows a Study - Canada French

MONTREAL — Not all humans need the same amount of sleep to be healthy, reveals work done at the University of British Columbia. These results run counter to the popular notion that seven or eight hours of sleep are required for good health, and rather indicate that the amount of sleep required depends essentially on the society in which one exists. "We have this curious tendency to say that short sleep durations are bad for health, but some coun…