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Sleep Technology

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The latest on all issues affecting sleep technologists, including trends, insights, tips and more.

Rui De Sousa

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Sleep Technologist Advice

What is Normal Sleep? A look into Changing Perspectives

By: Rui De Sousa
November 16th, 2015

A Comparative Study of Sleep in Three Contemporary Pre-Industrial Societies Recent anthropological findings are shedding new light on the question how much sleep humans intrinsically need each night. Dr. Jerome Siegel and his team from the Semel Institute of Neuroscience and Human Behavior at U.C.L.A., studied three pre-industrial traditional hunter-gatherer societies: the Hadza of Tanzania, the San of Namibia, and the Tsimane of Bolivia. These three groups represent the whole spectrum of human migration, and quite possibly evolution.

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