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  Subjective sleep more predictive of global cognitive function than objective sleep in older adults: A specification curve analysis

Lin, G.-J., Xu, J.-J., Peng, X.-R., & Yu, J. (2024). Subjective sleep more predictive of global cognitive function than objective sleep in older adults: A specification curve analysis. Sleep Medicine, 119, 155-163. doi:10.1016/j.sleep.2024.04.025.

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 Creators:
Lin, Guo-Jun1, Author
Xu, Jia-Jie1, Author
Peng, Xue-Rui2, 3, 4, Author                 
Yu, Jing1, Author
Affiliations:
1Faculty of Psychology, Southwest University, Chongqing, China, ou_persistent22              
2Lifespan Developmental Neuroscience, Department of Biological Psychology, Faculty of Psychology, TU Dresden, Germany, ou_persistent22              
3Centre for Tactile Internet with Human-in-the-Loop (CeTI), TU Dresden, Germany, ou_persistent22              
4Department Psychology (Doeller), MPI for Human Cognitive and Brain Sciences, Max Planck Society, ou_2591710              

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Free keywords: Cognitive function; Older adults; Polysomnography; Sleep; Specification curve analysis
 Abstract: Objectives: Sleep is associated with cognitive function in older adults. In the current study, we examined this relationship from subjective and objective perspectives, and determined the robustness and dimensional specificity of the associations using a comprehensive modelling approach.

Methods: Multiple dimensions of subjective (sleep quality and daytime sleepiness) and objective sleep (sleep stages, sleep parameters, sleep spindles, and slow oscillations), as well as subjectively reported and objectively measured cognitive function were collected from 55 older adults. Specification curve analysis was used to examine the robustness of correlations for the effects of sleep on cognitive function.

Results: Robust associations were found between sleep and objectively measured cognitive function, but not with subjective cognitive complaints. In addition, subjective sleep showed robust and consistent associations with global cognitive function, whereas objective sleep showed a more domain-specific association with episodic memory. Specifically, subjective sleep quality and daytime sleepiness correlated with global cognitive function, and objective sleep parameters correlated with episodic memory.

Conclusions: Overall, associations between sleep and cognitive function in older adults depend on how they are measured and which specific dimensions of sleep and domains of cognitive function are considered. It highlights the importance of focusing on specific associations to ameliorate the detrimental effects of sleep disturbance on cognitive function in later life.

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Language(s): eng - English
 Dates: 2024-04-032024-02-272024-04-212024-04-242024-07
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.sleep.2024.04.025
Other: epub 2024
PMID: 38678759
 Degree: -

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Project name : -
Grant ID : 32371109; 31971007; 71942004
Funding program : -
Funding organization : National Natural Science Foundation of China (NSFC)

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Title: Sleep Medicine
  Other : Sleep Med.
Source Genre: Journal
 Creator(s):
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 119 Sequence Number: - Start / End Page: 155 - 163 Identifier: ISSN: 1389-9457
CoNE: https://pure.mpg.de/cone/journals/resource/974392604043