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Women with severe PMS perceive their sleep quality to be poor
Date:10/1/2007

WESTCHESTER, Ill. Women with severe premenstrual syndrome (PMS) perceive their sleep quality to be poorer in association with their symptoms in the late luteal (premenstrual) phase, despite there being no specific alterations in sleep structure associated with premenstrual symptoms, according to a study published in the October 1 issue of the journal SLEEP.

The study, authored by Fiona C. Baker, PhD, of the Human Sleep Research Program at SRI International in Menlo Park, Calif., and the University of the Witwatersrand in Johannesburg, South Africa, focused on nine women with PMS or premenstrual dysphoric disorder (PMDD) and 12 controls. The subjects, all 18-40 years of age, had laboratory-based polysomnographic recordings at two phases of the menstrual cycle: follicular phase and late luteal phase.

According to the results, women with severe PMS reported a significantly poorer subjective sleep quality during the late luteal phase, but there was no evidence of disturbed sleep based on the polysomnogram specific to premenstrual symptom expression. Both groups of women had increased wakefulness after sleep onset and increased sigma power in the late luteal phase compared with the follicular phase.

There were, however, some group differences in electroencephalographic measures regardless of menstrual phase, including decreased delta incidence and increase theta incidence and amplitude in women with PMS, suggesting the possibility of sleep electroencephalogram trait markers in women with PMS.

Women with PMS or PMDD commonly report sleep disturbances, but the few studies using conventional polysomnographic measures have produced conflicting results. In this study, we investigated sleep quality and sleep composition using conventional and quantitative electroencephalographic analyses in women with severe PMS, as compared to that of controls, said Dr. Baker.

Sleep plays a vital role in promoting a womans health and well
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Contact: Jim Arcuri
jarcuri@aasmnet.org
708-492-0930
American Academy of Sleep Medicine
Source:Eurekalert

Page: 1 2

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