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Relationship between daytime napping duration and pan-cancer risk: a prospective cohort study based on the China Health and Retirement Longitudinal Study (CHARLS)

Crossref DOI link: https://doi.org/10.1186/s41043-025-01126-4

Published Online: 2025-10-29

Update policy: https://doi.org/10.1007/springer_crossmark_policy

Authors

Li, Guoqing

Gan, Tianyu

Qian, Zelong

Zhou, Yiqin

Zhou, Hui

Wu, Yibo

Chen, Ling
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Text and Data Mining valid from 2025-10-29

Version of Record valid from 2025-10-29
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Article History

Received: 4 July 2025

Accepted: 4 October 2025

First Online: 29 October 2025

Declarations

:

: This study was conducted strictly in accordance with the principles of the Declaration of Helsinki. This study was approved by the Ethics Committee of the Affiliated Hospital of Jiangnan University. It aimed to explore the relationship between nap duration and cancer risk, and all procedures were in line with the ethical norms of scientific research.The research protocol has been approved by the Ethics Review Committee of Peking University (Approval No.: IRB00001052–11015). The committee comprehensively and strictly reviewed the research design, implementation process, and potential impacts on participants to ensure that the research was carried out within an ethical framework and to maximize the protection of participants' rights, safety, and privacy.

: All participants consented to publication.

: Not applicable.

: The authors declare no competing interests.

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