Sleep duration, baseline cardiovascular risk, inflammation and incident cardiovascular mortality in ambulatory U.S. Adults: National health and nutrition examination survey

Kartik Gupta, Shivaraj Nagalli, Rajat Kalra, Rishab Gupta, Shazil Mahmood, Vardhmaan Jain, Wunan Zhou, Sumanth D. Prabhu, Navkaranbir S. Bajaj

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Introduction: The interplay between sleep duration and inflammation on the baseline and incident cardiovascular (CV) risk is unknown. We sought to evaluate the association between sleep duration, C-reactive protein (CRP), baseline CV risk, and incident CV mortality. Methods: We used data from the National Health and Nutrition Examination Survey 2005–2010 linked with the cause of death data from the National Center for Health Statistics for adults aged ≥18 years. The associations between self-reported sleep duration and CRP, 10-year atherosclerotic CV disease risk score (ASCVD) and CV mortality were assessed using Linear, Poisson and Cox proportional hazard modeling as appropriate. Results: There were 17,635 eligible participants with a median age of 46 years (interquartile range [IQR] 31, 63). Among them, 51.3% were women and 46.9% were non-Hispanic Whites. Over a median follow-up of 7.5 years (IQR 6.0, 9.1), 350 CV deaths occurred at an incident rate of 2.7 per 1000-person years (IQR 2.4, 3.0). We observed a U–shaped associations between sleep duration and incident CV mortality rate (P-trend=0.011), sleep duration and 10-year ASCVD risk (P-trend <0.001), as well as sleep duration and CRP (P-trend <0.001). A self-reported sleep duration of 6-7 hours appeared most optimal. We observed that those participants who reported <6 or >7 hours of sleep had higher risk of CV death attributable to inflammation after accounting for confounders. Conclusions: There was a U-shaped relationship of incident CV mortality, 10-year ASCVD risk, and CRP with sleep duration. These findings suggest an interplay between sleep duration, inflammation, and CV risk.

Original languageEnglish
Article number100246
JournalAmerican Journal of Preventive Cardiology
Volume8
DOIs
StatePublished - Dec 2021

Keywords

  • ASCVD
  • Cardiovascular
  • Inflammation
  • Sleep

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