Evidence map›Paper›PMID 33585792›Full record

ArticleGeneral psychiatry2021

Relationship between afternoon napping and cognitive function in the ageing Chinese population.

Han Cai, Ning Su, Wei Li, Xia Li, Shifu Xiao, Lin Sun

Abstract read
In one paragraph

Article in General psychiatry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 3 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

27 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Pooled it
  2. Daytime Napping and Cognitive Health in Older Adults: A Systematic Review.The journals of gerontology. Series A, Biological sciences and medical sciences · 2023
    Pooled it
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  20. Association of Poor Sleep Burden in Middle Age and Older Adults With Risk for Delirium During Hospitalization.The journals of gerontology. Series A, Biological sciences and medical sciences · 2022
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Han CaiGeriatrics, The Fourth People's Hospital of Wuhu, Wuhu, Anhui, China.ORCID 0000-0002-5418-1201
Ning SuAlzheimer's Disease and Related Disorders Center, Shanghai Mental Health Center, Shanghai, China.
Wei LiAlzheimer's Disease and Related Disorders Center, Shanghai Mental Health Center, Shanghai, China.
Xia LiAlzheimer's Disease and Related Disorders Center, Shanghai Mental Health Center, Shanghai, China.
Shifu XiaoAlzheimer's Disease and Related Disorders Center, Shanghai Mental Health Center, Shanghai, China.
Lin SunAlzheimer's Disease and Related Disorders Center, Shanghai Mental Health Center, Shanghai, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSeveral studies have shown that afternoon napping promotes cognitive function in the elderly; on the other hand, some studies have shown opposite results. This current study further examined the relationship between afternoon napping and cognitive function in the ageing Chinese population.

methodsA total of 2214 elderly were included (napping group: n=1534; non-napping group: n=680). They all received cognitive evaluations by the Beijing version of the Montreal Cognitive Assessment, the Mini-Mental State Examination, and the Chinese version of the Neuropsychological Test Battery. Among all the subjects, 739 elderly volunteered to take blood lipid tests.

resultsSignificant differences in cognitive function and blood lipids were observed between the napping and the non-napping groups. Afternoon napping was associated with better cognitive function including orientation, language, and memory in the present study. Subjects with the habit of afternoon napping also showed a higher level of triglyceride than the non-napping subjects.

conclusionThe results demonstrated that afternoon napping was related to better cognitive function in the Chinese ageing population.

Indexed as

cognition disordersmental healthpsychiatry

Identifiers

PMID33585792
PMCPMC7839842

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.