Gender differences in BaYaka forager sleep-wake patterns in forest and village contexts

Abstract Sleep studies in small-scale subsistence societies have broadened our understanding of cross-cultural sleep patterns, revealing the flexibility of human sleep. We examined sleep biology among BaYaka foragers from the Republic of Congo who move between environmentally similar but socio-ecolo...

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Autores principales:	Erica Kilius, David R. Samson, Sheina Lew-Levy, Mallika S. Sarma, Ujas A. Patel, Yann R. Ouamba, Valchy Miegakanda, Lee T. Gettler, Adam H. Boyette
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/21743a61c9fd4634bee9eb3b5f697074
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spelling	oai:doaj.org-article:21743a61c9fd4634bee9eb3b5f6970742021-12-02T16:10:50ZGender differences in BaYaka forager sleep-wake patterns in forest and village contexts10.1038/s41598-021-92816-62045-2322https://doaj.org/article/21743a61c9fd4634bee9eb3b5f6970742021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-92816-6https://doaj.org/toc/2045-2322Abstract Sleep studies in small-scale subsistence societies have broadened our understanding of cross-cultural sleep patterns, revealing the flexibility of human sleep. We examined sleep biology among BaYaka foragers from the Republic of Congo who move between environmentally similar but socio-ecologically distinct locations to access seasonal resources. We analyzed the sleep–wake patterns of 51 individuals as they resided in a village location (n = 39) and a forest camp (n = 23) (362 nights total). Overall, BaYaka exhibited high sleep fragmentation (50.5) and short total sleep time (5.94 h), suggestive of segmented sleep patterns. Sleep duration did not differ between locations, although poorer sleep quality was exhibited in the village. Linear mixed effect models demonstrated that women’s sleep differed significantly from men’s in the forest, with longer total sleep time (β ± SE = − 0.22 ± 0.09, confidence interval (CI) = [− 0.4, − 0.03]), and higher sleep quality (efficiency; β ± SE = − 0.24 ± 0.09, CI = [− 0.42, − 0.05]). These findings may be due to gender-specific social and economic activities. Circadian rhythms were consistent between locations, with women exhibiting stronger circadian stability. We highlight the importance of considering intra-cultural variation in sleep–wake patterns when taking sleep research into the field.Erica KiliusDavid R. SamsonSheina Lew-LevyMallika S. SarmaUjas A. PatelYann R. OuambaValchy MiegakandaLee T. GettlerAdam H. BoyetteNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Erica Kilius David R. Samson Sheina Lew-Levy Mallika S. Sarma Ujas A. Patel Yann R. Ouamba Valchy Miegakanda Lee T. Gettler Adam H. Boyette Gender differences in BaYaka forager sleep-wake patterns in forest and village contexts
description	Abstract Sleep studies in small-scale subsistence societies have broadened our understanding of cross-cultural sleep patterns, revealing the flexibility of human sleep. We examined sleep biology among BaYaka foragers from the Republic of Congo who move between environmentally similar but socio-ecologically distinct locations to access seasonal resources. We analyzed the sleep–wake patterns of 51 individuals as they resided in a village location (n = 39) and a forest camp (n = 23) (362 nights total). Overall, BaYaka exhibited high sleep fragmentation (50.5) and short total sleep time (5.94 h), suggestive of segmented sleep patterns. Sleep duration did not differ between locations, although poorer sleep quality was exhibited in the village. Linear mixed effect models demonstrated that women’s sleep differed significantly from men’s in the forest, with longer total sleep time (β ± SE = − 0.22 ± 0.09, confidence interval (CI) = [− 0.4, − 0.03]), and higher sleep quality (efficiency; β ± SE = − 0.24 ± 0.09, CI = [− 0.42, − 0.05]). These findings may be due to gender-specific social and economic activities. Circadian rhythms were consistent between locations, with women exhibiting stronger circadian stability. We highlight the importance of considering intra-cultural variation in sleep–wake patterns when taking sleep research into the field.
format	article
author	Erica Kilius David R. Samson Sheina Lew-Levy Mallika S. Sarma Ujas A. Patel Yann R. Ouamba Valchy Miegakanda Lee T. Gettler Adam H. Boyette
author_facet	Erica Kilius David R. Samson Sheina Lew-Levy Mallika S. Sarma Ujas A. Patel Yann R. Ouamba Valchy Miegakanda Lee T. Gettler Adam H. Boyette
author_sort	Erica Kilius
title	Gender differences in BaYaka forager sleep-wake patterns in forest and village contexts
title_short	Gender differences in BaYaka forager sleep-wake patterns in forest and village contexts
title_full	Gender differences in BaYaka forager sleep-wake patterns in forest and village contexts
title_fullStr	Gender differences in BaYaka forager sleep-wake patterns in forest and village contexts
title_full_unstemmed	Gender differences in BaYaka forager sleep-wake patterns in forest and village contexts
title_sort	gender differences in bayaka forager sleep-wake patterns in forest and village contexts
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/21743a61c9fd4634bee9eb3b5f697074
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Gender differences in BaYaka forager sleep-wake patterns in forest and village contexts

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