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The association of short and long sleep with mortality in men and women
Stockholms universitet, Samhällsvetenskapliga fakulteten, Psykologiska institutionen, Stressforskningsinstitutet. Stockholms universitet, Samhällsvetenskapliga fakulteten, Psykologiska institutionen, Biologisk psykologi. Karolinska Institutet, Sweden.ORCID-id: 0000-0001-8049-8504
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Antal upphovsmän: 72024 (Engelska)Ingår i: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 33, nr 2, artikel-id e13931Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Both short (< 6 hr) and long (> 8 hr) sleep are associated with increased mortality. We here investigated whether the association between sleep duration and all-cause, cardiovascular disease and cancer mortality differs between men and women. A cohort of 34,311 participants (mean age and standard deviation = 50.5 ± 15.5 years, 65% women), with detailed assessment of sleep at baseline and up to 20.5 years of follow-up (18 years for cause-specific mortality), was analysed using Cox proportional hazards model to estimate HRs with 95% confidence intervals. After adjustment for covariates, all-cause, cardiovascular disease and cancer mortalities were increased for both < 5 hr and ≥ 9 hr sleep durations (with 6 hr as reference). For all-cause mortality, women who slept < 5 hr had a hazard ratio = 1.54 (95% confidence interval = 1.32–1.80), while the corresponding hazard ratio was 1.05 (95% confidence interval = 0.88–1.27) for men, the interaction being significant (p < 0.05). For cardiovascular disease mortality, exclusion of the first 2 years of exposure, as well as competing risk analysis eliminated the originally significant interaction. Cancer mortality did not show any significant interaction. Survival analysis of the difference between the reference duration (6 hr) and the short duration (< 5 hr) during follow-up showed a gradually steeper reduction of survival time for women than for men for all-cause mortality. We also observed that the lowest cancer mortality appeared for the 5-hr sleep duration. In conclusion, the pattern of association between short sleep duration and all-cause mortality differed between women and men, and the difference between men and women increased with follow-up time.

Ort, förlag, år, upplaga, sidor
John Wiley & Sons, 2024. Vol. 33, nr 2, artikel-id e13931
Nyckelord [en]
cancer, cardiovascular, gender, sex, sleep duration, survival
Nationell ämneskategori
Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi Psykologi
Forskningsämne
psykologi
Identifikatorer
URN: urn:nbn:se:su:diva-219565DOI: 10.1111/jsr.13931ISI: 000987333700001PubMedID: 37192602Scopus ID: 2-s2.0-85159280776OAI: oai:DiVA.org:su-219565DiVA, id: diva2:1785291
Anmärkning

The present study was supported by The Tercentenary Fund of Bank of Sweden. Ylva Trolle Lagerros was supported by Region Stockholm (clinical research appointment).

Tillgänglig från: 2023-08-02 Skapad: 2023-08-02 Senast uppdaterad: 2024-04-25Bibliografiskt granskad

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Åkerstedt, Torbjörn

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StressforskningsinstitutetBiologisk psykologi
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Journal of Sleep Research
Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologiPsykologi

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