• Terry Young, David Rabago, Aleksandra Zgierska, Diane Austin, and Finn Laurel.
• Department of Population Health Sciences, University of Wisconsin-Madison, USA. tbyoung@facstaff.wisc.edu
• Sleep. 2003 Sep 1; 26 (6): 667-72.

Study ObjectiveAssess objectively measured sleep quality in premenopausal, perimenopausal, and postmenopausal women.DesignObservational epidemiology study.SettingCommunity-based.ParticipantsProbability sample of 589 premenopausal, perimenopausal, and postmenopausal women recruited from state employee records.InterventionsNone.Measurements And ResultsMenopausal 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.ObjectiveSleep 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.ConclusionsMenopause 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.

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