期刊
HYPERTENSION
卷 60, 期 4, 页码 929-+出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1161/HYPERTENSIONAHA.112.193268
关键词
insomnia; polysomnography; hypertension; incidence
资金
- National Institutes of Health [R01 51931, R01 40916, R01 64415]
Insomnia with objective short sleep duration appears to be a biologically more severe phenotype of the disorder. No longitudinal study to date has examined the association of this type of insomnia with incident hypertension using polysomnography. From a random, general population sample of 1741 adults of the Penn State Cohort, 1395 were followed-up after 7.5 years, and 786 did not have hypertension at baseline. Hypertension was determined by a self-report of receiving treatment for high blood pressure. Chronic insomnia was defined as a complaint of insomnia lasting >= 1 year, whereas poor sleep was defined as moderate-to-severe sleep difficulties. All of the subjects underwent 8-hour polysomnography. Sleep-disordered breathing (SDB) was defined as an obstructive apnea/hypopnea index >= 5. We used the median polysomnographic percentage of sleep time to define short sleep duration (ie, <6 hours). We controlled for sex, race, age, caffeine, cigarettes and alcohol consumption, depression, sleep-disordered breathing, diabetes mellitus, obesity, and blood pressure in our analyses. Compared with normal sleepers who slept >= 6 hours, the highest risk for incident hypertension was in chronic insomniacs with short sleep duration (odds ratio, 3.8 [95% CI, 1.6-9.0]). The risk for incident hypertension in poor sleepers with short sleep duration was significantly increased but became marginally significant after controlling for obesity (odds ratio, 1.6 [95% CI, 0.9-2.8]). Chronic insomnia with short sleep duration is associated with an increased risk for incident hypertension in a degree comparable to sleep-disordered breathing. Objective short sleep duration in insomnia may serve as a useful predictor of the biological severity of the disorder. (Hypertension. 2012; 60: 929-935.) center dot Online Data Supplement
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