Delayed Sleep Phase Syndrome Linked To Irregular Menstrual Cycles, Premenstrual Symptoms In Women
Women with delayed sleep phase syndrome are more likely to report irregular menstrual cycles and premenstrual symptoms, according to a research abstract presented on Tuesday at SLEEP 2008, the 22nd Annual Meeting of the Associated Professional Sleep Societies (APSS).The study, authored by Kari Sveum, of Northwestern University in Chicago, Ill., focused on 13 females with delayed sleep phase syndrome and 13 healthy controls.
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