Associations Between Repetitive Negative Thinking and Objective and Subjective Sleep Health in Cognitively Healthy Older Adults

IF 3 2区医学 Q2 CLINICAL NEUROLOGY Nature and Science of Sleep Pub Date : 2024-03-05 DOI:10.2147/nss.s441509

Lydia B Munns, Harriet Demnitz-King, Claire André, Stéphane Rehel, Valentin Ourry, Vincent de La Sayette, Denis Vivien, Gaël Chételat, Géraldine Rauchs, Natalie L Marchant

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Abstract

Objective: Poor sleep and high levels of repetitive negative thinking (RNT), including future-directed (ie, worry) and past-directed (ie, brooding) negative thoughts, have been associated with markers of dementia risk. The relationship between RNT and sleep health in older adults is unknown. This study aimed to investigate this association and its specificities including multiple dimensions of objective and subjective sleep.
Methods: This study used a cross sectional quantitative design with baseline data from 127 cognitively healthy older adults (mean age 69.4 ± 3.8 years; 63% female) who took part in the Age-Well clinical trial, France. RNT (ie, worry and brooding) levels were measured using the Penn State Worry Questionnaire and the Rumination Response Scale (brooding subscale). Polysomnography was used to assess sleep objectively, and the Pittsburgh Sleep Quality Index and the St. Mary’s Hospital Sleep Questionnaire were used to measure sleep subjectively. In primary analyses the associations between RNT and sleep (ie, objective sleep duration, fragmentation and efficiency and subjective sleep disturbance) were assessed via adjusted regressions.
Results: Higher levels of RNT were associated with poorer objective sleep efficiency (worry: β=− 0.32, p< 0.001; brooding: β=− 0.26, p=0.002), but not objective sleep duration, fragmentation, or subjective sleep disturbance. Additional analyses, however, revealed differences in levels of worry between those with short, compared with typical and long objective sleep durations (p < 0.05).
Conclusion: In cognitively healthy older adults, RNT was associated with sleep characteristics that have been implicated in increased dementia risk. It will take additional research to ascertain the causal link between RNT and sleep characteristics and how they ultimately relate to the risk of developing dementia.

Keywords: perseverative cognition, rumination, sleep, anxiety, ageing

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认知健康老年人的重复性消极思考与客观和主观睡眠健康之间的关系

目的：睡眠不佳和高水平的重复性消极思维（RNT），包括面向未来（即担心）和面向过去（即忧虑）的消极思维，与痴呆症风险标记相关。老年人的 RNT 与睡眠健康之间的关系尚不清楚。本研究旨在调查这种关联及其特殊性，包括客观和主观睡眠的多个维度：本研究采用横断面定量设计，基线数据来自参加法国 Age-Well 临床试验的 127 名认知健康的老年人（平均年龄为 69.4 ± 3.8 岁；63% 为女性）。采用宾夕法尼亚州立大学忧虑问卷和反刍反应量表（反刍分量表）测量 RNT（即忧虑和忧郁）水平。多导睡眠监测仪用于客观评估睡眠，匹兹堡睡眠质量指数和圣玛丽医院睡眠问卷用于主观测量睡眠。在主要分析中，通过调整回归评估了 RNT 与睡眠（即客观睡眠时间、睡眠片段和效率以及主观睡眠障碍）之间的关联。结果显示RNT水平越高，客观睡眠效率越低（担忧：β=- 0.32，p< 0.001；沉思：β=- 0.26，p=0.002），但客观睡眠时间、睡眠片段或主观睡眠障碍却与之无关。然而，额外的分析表明，客观睡眠持续时间短的人与客观睡眠持续时间一般的人和客观睡眠持续时间长的人之间的担忧程度存在差异（p < 0.05）：结论：在认知能力健康的老年人中，RNT 与睡眠特征有关，而睡眠特征与痴呆症风险增加有关。要确定RNT与睡眠特征之间的因果关系，以及它们最终与痴呆症发病风险之间的关系，还需要进行更多的研究。

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来源期刊

Nature and Science of Sleep Neuroscience-Behavioral Neuroscience

CiteScore

5.70

自引率

5.90%

发文量

245

审稿时长

16 weeks

期刊介绍： Nature and Science of Sleep is an international, peer-reviewed, open access journal covering all aspects of sleep science and sleep medicine, including the neurophysiology and functions of sleep, the genetics of sleep, sleep and society, biological rhythms, dreaming, sleep disorders and therapy, and strategies to optimize healthy sleep. Specific topics covered in the journal include: The functions of sleep in humans and other animals Physiological and neurophysiological changes with sleep The genetics of sleep and sleep differences The neurotransmitters, receptors and pathways involved in controlling both sleep and wakefulness Behavioral and pharmacological interventions aimed at improving sleep, and improving wakefulness Sleep changes with development and with age Sleep and reproduction (e.g., changes across the menstrual cycle, with pregnancy and menopause) The science and nature of dreams Sleep disorders Impact of sleep and sleep disorders on health, daytime function and quality of life Sleep problems secondary to clinical disorders Interaction of society with sleep (e.g., consequences of shift work, occupational health, public health) The microbiome and sleep Chronotherapy Impact of circadian rhythms on sleep, physiology, cognition and health Mechanisms controlling circadian rhythms, centrally and peripherally Impact of circadian rhythm disruptions (including night shift work, jet lag and social jet lag) on sleep, physiology, cognition and health Behavioral and pharmacological interventions aimed at reducing adverse effects of circadian-related sleep disruption Assessment of technologies and biomarkers for measuring sleep and/or circadian rhythms Epigenetic markers of sleep or circadian disruption.