The Evolution of Sleep: A Two-Million-Year Journey
DOI:
https://doi.org/10.22201/ceide.16076079e.2026.27.2.4Keywords:
Cognitive anthropology, Dreaming, Sleep, Evolution, PaleoanthropologyAbstract
Around two million years ago, deep environmental shifts transformed hominin life: arboreal habits gradually gave way to terrestrial living, expanding mobility, social relations, and sleep patterns. Sleep is essential for organismic function and is closely tied to cognitive processes shaped over a long, socially driven evolutionary history. This article highlights insights from cognitive anthropology and paleoanthropology on the evolutionary aspects of hominins.
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