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Human Behavior: Sleep in Hunter-Gatherer Societies
John Peever1, Richard L Horner2
1Department of Cell and Systems Biology, University of Toronto, Toronto, Ontario M5S 3G5, Canada; Department of Physiology, University of Toronto, Toronto, Ontario M5S 3G5, Canada.
Current Biology : CB
|December 15, 2015
Summary
Hunter-gatherer societies sleep 6-7 hours nightly, similar to industrialized populations. This research explores sleep patterns without modern lifestyle pressures and distractions.
Area of Science:
- Anthropology
- Sleep Science
- Evolutionary Biology
Background:
- Industrialized lifestyles are often associated with significant pressures and distractions.
- Understanding natural human sleep patterns is crucial for public health and evolutionary studies.
Purpose of the Study:
- To investigate sleep duration in hunter-gatherer societies.
- To compare sleep patterns between pre-industrial and industrialized populations.
Main Methods:
- Observational study of sleep behavior in contemporary hunter-gatherer groups.
- Data collection on sleep duration and environmental factors.
Main Results:
- Hunter-gatherer societies exhibit an average sleep duration of 6-7 hours per night.
- Sleep duration in these groups is comparable to that observed in industrialized societies.
Conclusions:
- Pre-industrial sleep patterns are not significantly different from modern sleep durations.
- Societal pressures and distractions may not be the primary drivers of reduced sleep in industrialized nations.
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