Less Sleep Increases Odds for Metabolic Syndrome

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People with shorter sleep durations may be more likely to develop metabolic syndrome.
People with shorter sleep durations may be more likely to develop metabolic syndrome.

(HealthDay News) — Short sleep duration (less than 7 hours) is associated with increased likelihood of metabolic syndrome, according to a meta-analysis published in the Annals of the American Thoracic Society.

Imran H. Iftikhar, MD, from The Ohio State University Wexner Medical Center in Columbus, and colleagues conducted a meta-analysis to examine the magnitude of the correlation between different sleep durations and metabolic syndrome. Data were included from 18 studies involving 75,657 participants.

Compared with the reference group with daily sleep duration of 7 to 8 hours, the odds ratio of having metabolic syndrome for short sleep duration (less than 7 hours) was 1.23 (P<.001), according to the researchers. 

For sleep durations of less than 5, 5 to 6 and 6 to 7 hours, the odds ratios were 1.51 (P=.01), 1.28 (P<.001) and 1.16 (P=.02), respectively. On log of odds ratios, the coefficient of sleep duration was −0.06 ± 0.02 (P=.02). For long sleep duration, the odds ratio was 1.13 (95% CI, 0.97-1.32; P=.10).

"Considering the high prevalence of the adult population in the United States who report habitual short sleep duration, our meta-analysis supports the idea that increasing sleep hours may represent a simple modification that may prevent the development of metabolic syndrome," the researchers wrote.

Reference

  1. Iftikhar IH et al. Ann Am Thorac Soc. 2015;doi:10.1513/AnnalsATS.201504-190OC.
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