NAT COMMUN:睡眠不足,小心痴呆症找上你!

2021-04-21 MedSci原创 MedSci原创

睡眠很重要!

据世界卫生组织数据显示,全球睡眠障碍率达27%,在中国,成年人失眠发生率高达38.2%,且更让人吃惊的是该数据仍在逐年上升。睡眠不足在中老年人中很常见,先前研究显示,睡眠不足可增加患痴呆症的风险,然而这些研究证据多数随访时间短,纳入人群基本在65岁以上。

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420日,来自巴黎大学衰老和神经退行性疾病流行病学的研究人员使用了跨越30年的Whitehall II队列研究的数据,探索了50岁,60岁和70岁人群的睡眠时间与突发性痴呆的相关性,并调查了睡眠时间的变化对患痴呆的影响。

研究人员跟踪了自1985年以来7959名参与者健康状况,平均年龄为50.6岁,参与者自我报告了睡眠时间和睡眠状况,其中约有3900名参与者佩戴手表设备以确认自我报告的准确度。

研究结果显示,平均随访24.6年后,共有521名参与者发展为痴呆症,痴呆病例平均随访期为25.7年,非痴呆病例平均随访期24.6年。而且,大多数痴呆症病例是在70岁以后诊断的。诊断时的平均年龄为77.1岁。每晚睡眠时间为7小时的参与者,被标记为正常睡眠时间,而且拥有正常睡眠时间更有可能是男性,白人和已婚者,他们具有更好的心脏代谢和精神健康状况。

按睡眠时间的轨迹分组描述50岁、60岁和70岁时的睡眠时间.

在对社会人口学因素进行调整分析后,睡眠时间不足与所有年龄段的痴呆症发病风险相关。每晚睡7小时,痴呆症发病率最低。在对健康行为,心脏代谢及精神健康因素等调整后,睡眠时间与痴呆症发病率关联性有所减弱,但对于50岁和60岁人群,睡眠时间不足仍与痴呆症的高发病率相关。同时,没有明确的证据表明长时间睡眠与痴呆症的发生相关。具体而言,与7小时睡眠相比,每晚<6 h的睡眠时间与患痴呆风险较高相关,而每晚>8 h的睡眠时间与痴呆的风险无关。

睡眠时间与痴呆症的发病率.

研究人员表示,一般而言,抑郁症和情绪障碍与睡眠变化有关,并被认为在睡眠时间与痴呆症的关联中起重要作用。但我们研究显示,睡眠时间短与老年痴呆症发生风险较高相关,而与社会人口统计学,行为,心脏代谢和心理健康因素无关。

虽然没有预防痴呆的灵丹妙药,但有证据表明,不吸烟,坚持适度运动和良好的饮食习惯可让大脑保持健康。研究人员进一步强调到。

原始出处

Séverine Sabia.et al.Association of sleep duration in middle and old age with incidence of dementiaNature Communications (2021). DOI: 10.1038/s41467-021-22354-2 , dx.doi.org/10.1038/s41467-021-22354-2

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    2021-06-08 liye789132251
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    2021-07-06 liuli5079
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    2021-09-05 Boyinsh
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    2021-04-21 junJUN

    老年人痴呆何药可用??

    0