Low-to-Moderate Daytime Physical Activities Predicted Higher-Quality Sleep Among Habitually Active Agropastoralists

IF 1.6 4区 医学 Q1 ANTHROPOLOGY
Ming Fei Li, Puseletso Lecheko, Tumelo Phuthing, Tsepo Lesholu, David R. Samson
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引用次数: 0

Abstract

Introduction

The positive effects of physical activity (PA) on sleep are widely promoted by public health organizations and supported by abundant empirical evidence. Nonetheless, there remains a dearth of studies investigating the association between daytime PA and nighttime sleep among non-urban and nonindustrial populations that habitually engage in PA as part of their subsistence strategy.

Methods

Here, we examined the bidirectional relationship between PA and sleep. We also looked at age, gender, and occupation-level differences in moderate-to-vigorous-intensity PA (MVPA), low-intensity PA (LPA), and sedentary activity durations among Basotho and Xhoxa agropastoralists residing in rural villages in the Eastern Cape, South Africa. We analyzed activity and sleep data collected from 113 individuals using MotionWatch actigraphy wristwatches across three field seasons (7111 individual days).

Results

Percentage daily total MVPA decreased with age, though older participants maintained low activity levels and did not suffer from poorer sleep compared to younger participants. Herders spent more percentage of their day in higher-intensity activity than non-herders. Overall, women had greater daily percentage MVPA and lower percentage sedentary activity than men. Durations of total MVPA and LPA decreased total sleep time (TST) and improved sleep quality (increased sleep efficiency (SE), decreased fragmentation, and decreased percentage wake after sleep onset). Daytime PA measures were not affected by sleep duration or quality from the previous night.

Conclusions

Among this group of habitually active agropastoralists, low-to-moderate-intensity PA durations consistently predicted higher sleep quality. Our findings showed that sleep quality was more strongly affected by PA than sleep duration.

Abstract Image

在习惯活跃的农牧民中,低至中度的日间体育活动预示着更高质量的睡眠
体育活动(PA)对睡眠的积极作用得到了公共卫生组织的广泛推广,并得到了大量经验证据的支持。尽管如此,在非城市和非工业人口中,调查白天PA和夜间睡眠之间关系的研究仍然缺乏,这些人口习惯性地将PA作为其生存策略的一部分。方法研究PA与睡眠之间的双向关系。我们还研究了居住在南非东开普省农村的巴索托和Xhoxa农牧民在中高强度PA (MVPA)、低强度PA (LPA)和久坐活动持续时间方面的年龄、性别和职业水平差异。我们分析了使用MotionWatch活动记录仪腕表收集的113个人在三个野外季节(7111个人日)的活动和睡眠数据。结果:每日总MVPA百分比随着年龄的增长而下降,尽管老年参与者保持较低的活动水平,并且与年轻参与者相比没有遭受较差的睡眠。牧民一天中从事高强度活动的时间比非牧民多。总体而言,女性的每日MVPA百分比高于男性,而久坐活动百分比低于男性。总MVPA和LPA的持续时间减少了总睡眠时间(TST),改善了睡眠质量(提高了睡眠效率(SE),减少了碎片化,减少了睡眠后醒来的百分比)。白天的PA测量不受前一晚睡眠时间或质量的影响。结论:在这组习惯性活跃的农牧民中,低到中等强度的PA持续时间一致地预示着更高的睡眠质量。我们的研究结果表明,与睡眠时间相比,PA对睡眠质量的影响更大。
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来源期刊
CiteScore
4.80
自引率
13.80%
发文量
124
审稿时长
4-8 weeks
期刊介绍: The American Journal of Human Biology is the Official Journal of the Human Biology Association. The American Journal of Human Biology is a bimonthly, peer-reviewed, internationally circulated journal that publishes reports of original research, theoretical articles and timely reviews, and brief communications in the interdisciplinary field of human biology. As the official journal of the Human Biology Association, the Journal also publishes abstracts of research presented at its annual scientific meeting and book reviews relevant to the field. The Journal seeks scholarly manuscripts that address all aspects of human biology, health, and disease, particularly those that stress comparative, developmental, ecological, or evolutionary perspectives. The transdisciplinary areas covered in the Journal include, but are not limited to, epidemiology, genetic variation, population biology and demography, physiology, anatomy, nutrition, growth and aging, physical performance, physical activity and fitness, ecology, and evolution, along with their interactions. The Journal publishes basic, applied, and methodologically oriented research from all areas, including measurement, analytical techniques and strategies, and computer applications in human biology. Like many other biologically oriented disciplines, the field of human biology has undergone considerable growth and diversification in recent years, and the expansion of the aims and scope of the Journal is a reflection of this growth and membership diversification. The Journal is committed to prompt review, and priority publication is given to manuscripts with novel or timely findings, and to manuscripts of unusual interest.
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