People in industrial societies get more sleep than hunter-gatherers

Individuals in industrialised societies seem to sleep for longer than people in non-industrialised ones, but their circadian rhythms are more out of sync

​Individuals in industrialised societies seem to sleep for longer than people in non-industrialised ones, but their circadian rhythms are more out of sync Individuals in industrialised societies seem to sleep for longer than people in non-industrialised ones, but their circadian rhythms are more out of sync