Journal
DIABETES CARE
Volume 30, Issue 5, Pages 1233-1240Publisher
AMER DIABETES ASSOC
DOI: 10.2337/dc06-2107
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Funding
- NHLBI NIH HHS [K08 HL081385-03, HL65582, HL81385, HL34594, HL60712, K08 HL081385] Funding Source: Medline
- NIA NIH HHS [AG028324] Funding Source: Medline
- NIDDK NIH HHS [DK58785, DK58845] Funding Source: Medline
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OBJECTIVE - Sleep habits have been associated with risk of cardiovascular disease (CVD) and metabolic disturbances, but the mechanisms underlying these associations have yet to be fully elucidated. We aim to determine whether sleep duration and/or snoring are associated with biomarkers of CVD in women with type 2 diabetes. RESEARCH DESIGN AND METHODS - We studied 935 women aged 43- 69 years enrolled in the Nurses' Health Study cohort with type 2 diabetes who had no history of documented coronary heart disease or stroke in 1990. Information on sleep duration and snoring frequency was collected in 1986 from mailed questionnaires, and biomarkers of CVD were measured from blood samples taken in 1989-1990. RESULTS - Longer sleep duration was associated with increased levels of C-reactive protein after adjusting for age, BMI, lifestyle factors, family history of diabetes, glycemic control , and medication use (P = 0.05). HDL was decreased with short and long sleep duration among normotensive (P = 0.02) but not hypertensive women. More frequent snoring was directly associated with triglycerides (P = 0.02) and inversely associated with HDL cholesterol (0.03) and adiponectin (P = 0.03) in multivariate-adjusted analyses. CONCLUSIONS - The associations of sleep duration and snoring with lipid profile, hormone measures, and/or inflammatory markers may partially explain the previously reported relationship between sleep habits and cardiovascular and metabolic disorders.
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