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Objective and Subjective Sleep Quality in Premenopausal, Perimenopausal, and Postmenopausal Women in the Wisconsin Sleep Cohort Study
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2003
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The study aimed to evaluate objectively measured sleep quality across premenopausal, perimenopausal, and postmenopausal women in a community‑based probability sample of 589 participants. Sleep quality was assessed using full in‑laboratory polysomnography and self‑reported sleep problems, and associations were examined with linear and logistic regression adjusted for potential confounders. Polysomnography revealed no decline in objective sleep quality across menopausal stages, with postmenopausal women actually showing more deep sleep and longer total sleep time, while menopausal status was only modestly linked to self‑reported dissatisfaction and did not predict insomnia or sleepiness, indicating that sleep disturbances in midlife women should not be attributed solely to menopause.
Assess objectively measured sleep quality in premenopausal, perimenopausal, and postmenopausal women.Observational epidemiology study.Community-based.Probability sample of 589 premenopausal, perimenopausal, and postmenopausal women recruited from state employee records.None.Menopausal status was determined by menstrual history, surgical history, and use of hormone replacement therapy. Sleep quality was objectively measured by full in-laboratory polysomnography and by self-reported sleep problems. Linear and logistic regression were used to estimate associations adjusted for potential confounding factors.Sleep quality was not worse in perimenopausal or postmenopausal women, compared with premenopausal women. To the contrary, postmenopausal woman had more deep sleep (16% vs 13% stages 3/4, P < 0.001) and significantly longer total sleep time (388 minutes vs 374 minutes, P = 0.05). Menopausal status was moderately related to self-reported dissatisfaction with sleep but was not consistently associated with symptoms of insomnia or sleepiness.Menopause is not associated with diminished sleep quality measured by polysomnography. Although perimenopausal and postmenopausal women, relative to premenopausal women, were less satisfied with their sleep, menopause was not a strong predictor of specific sleep-disorder symptoms. Symptoms and signs of sleep abnormalities in midlife women should not be attributed primarily to menopause before ruling out underlying sleep disorders.