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The world’s sleeping patterns have been revealed by scientists analysing data collected from an app.

It showed the Dutch have nearly an hour more in bed every night than people in Singapore or Japan.

The study, published in Science Advances, also found women routinely get more sleep than men, with middle-aged men getting the least of all.

The researchers say the findings could be used to deal with the “global sleep crisis”.

The team at the University of Michigan released the Entrain app in 2014 to help people overcome jetlag.

But users could choose to share data on their sleeping habits with the research group.


Source: Global sleeping patterns revealed by app data