Social pressures are forcing people to cut back on their sleep, contributing to a “global sleep crisis,” according to a new study based on research collected through a smartphone app. It enabled scientists from the University of Michigan to track sleep patterns around the world — gathering data about how age, gender and the amount of natural light to which people are exposed affect sleep patterns in 100 countries — and better understand how cultural pressures can override biological rhythms. “The effects of society on sleep remain largely unquantified,” says the study published Friday in the journal Science Advances.
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Scientists using smartphone app warn of ‘global sleep crisis’
