Abstract
Young and Ziman, writing about Cycles in Social Behaviour1, suggest that “cycles of personal behaviour … are partly governed by endogenous biological mechanisms which need to be sustained by food and sleep at more or less regular intervals”.
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References
Young, M., and Ziman, J., Nature, 229, 91 (1971).
Simpson, H. W., Halberg, F., and Lobban, Mary, Arctic Anthropology, 7, 144 (1970).
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SIMPSON, H. Cycles in Social Behaviour. Nature 231, 463 (1971). https://doi.org/10.1038/231463a0
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DOI: https://doi.org/10.1038/231463a0


