Journal
CHEST
Volume 153, Issue 1, Pages 87-93Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chest.2017.09.028
Keywords
Hispanic; hypertension; insomnia; sleep duration; sleep quality
Categories
Funding
- NHLBI [HL098297, HL127307, N01-HC65233]
- University of Miami [N01-HC65234]
- Albert Einstein College of Medicine [N01-HC65235]
- Northwestern University [N01-HC65236]
- San Diego State University [N01-HC65237]
- National Center for Advancing Translational Sciences [1KL2TR000461]
- National Center for Advancing Translational Sciences
- National Institute on Minority Health and Health Disparities
- NATIONAL CENTER FOR ADVANCING TRANSLATIONAL SCIENCES [KL2TR000461] Funding Source: NIH RePORTER
- NATIONAL HEART, LUNG, AND BLOOD INSTITUTE [R01HL098297, K24HL127307, R01HL065234, U01HL065233] Funding Source: NIH RePORTER
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BACKGROUND: The aim of this study was to evaluate the association between actigraphy-based measures of sleep and prevalent hypertension in a sample of US Latinos. METHODS: We analyzed data from 2,148 participants of the Sueno Sleep Ancillary Study of the Hispanic Community Health Study/Study of Latinos (HCHS/SOL), who underwent 1 week of wrist actigraphy to characterize sleep duration, sleep efficiency, sleep fragmentation index, and daytime naps. Insomnia was defined as an Insomnia Severity Index >= 15. Hypertension was defined based on self-reported physician diagnosis. Survey linear regression was used to evaluate the association of sleep measures with hypertension prevalence. Sensitivity analyses excluded participants with an apnea-hypopnea index (AHI) >= 15 events/h. RESULTS: The mean age was 46.3 +/- 11.6 years, and 65% of the sample consisted of women. The mean sleep duration was 6.7 +/- 1.1 hours. Thirty-two percent of the sample had hypertension. After adjusting for age, sex, ethnic background, site, and AHI, each 10% reduction in sleep efficiency was associated with a 7.5% (95% CI, -12.9 to -2.2; P = .0061) greater hypertension prevalence, each 10% increase in sleep fragmentation index was associated with a 5.2% (95% CI, 1.4-8.9; P = .0071) greater hypertension prevalence, and frequent napping was associated with a 11.6% greater hypertension prevalence (95% CI, 5.5-17.7; P = .0002). In contrast, actigraphy-defined sleep duration (P = .20) and insomnia (P = .17) were not associated with hypertension. These findings persisted after excluding participants with an AHI >= 15 events/h. CONCLUSIONS: Independent of sleep-disordered breathing, we observed associations between reduced sleep continuity and daytime napping, but not short sleep duration, and prevalent hypertension.
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