Severe hot flashes associated with chronic insomniaJune 27, 2006Women who have severe hot flashes may have more chronic sleep problems than women who do not, according to a report in the June 26 issue of Archives of Internal Medicine, one of the JAMA/Archives journals. As many as 85 percent of menopausal women experience hot flashes, sensations of heat that may also involve sweating, according to background information in the article. Hot flashes often occur during the night and have been associated with insomnia, or difficulty sleeping. The symptoms of insomnia include problems falling asleep and/or staying asleep, sleep that is not restful and an overall dissatisfaction with sleep quantity or quality. Because many other factors also influence sleep in menopausal women, the exact link between hot flashes and insomnia has been difficult to establish. Maurice M. Ohayon, M.D., D.Sc., Ph.D., Stanford University School of Medicine, Palo Alto, Calif., conducted telephone interviews with 3,243 individuals in California, including 982 women ages 35 to 65 years, between June 2003 and April 2004. Of the women, 562 (57.2 percent) were premenopausal; 219 (22.3 percent) were perimenopausal, meaning that they had irregular menstrual cycles with at least one period in the previous year; and 201 (20.5 percent) were postmenopausal, or had reported no menstrual bleeding in the previous year. Hot flashes were defined as mild if they usually did not involve sweating, moderate if they mostly involved sweating but did not require a woman to stop the activity she was pursuing and severe if they typically involved sweating and did require a woman to stop an activity.
About 33 percent of the women reported having hot flashes, including 12.5 percent of the premenopausal women, 79 percent of perimenopausal women and 39.3 percent of postmenopausal women. Of those who had hot flashes, about half reported that they were typically mild, while about one-third had moderate and about 15 percent had severe hot flashes. More than 81 percent of women with regular severe hot flashes had symptoms of chronic insomnia. These women reported difficulty falling asleep, non-restful sleep and overall dissatisfaction with their sleep patterns on a regular basis (at least three nights a week for at least the past six months). Women with mild hot flashes did not report these problems any more frequently than did women with no hot flashes. Women were also more likely to have problems staying asleep as their hot flashes became more severe. The researchers also examined how insomnia related to women's menopausal status and found that women in perimenopause were more likely to have difficulty falling asleep, non-restful sleep and overall dissatisfaction with sleep. One-third of perimenopausal and postmenopausal women reported that they believed insomnia was related to the development of menopause. "This study provides evidence that severe hot flashes are associated with chronic insomnia in women aged 35 to 65 years," the authors write. "The dramatic increase in insomnia in women with severe hot flashes indicates that severity of hot flashes should be routinely assessed in all studies of menopause. "Treating hot flashes could improve sleep quality and minimize the deleterious consequences of chronic insomnia,\\\ JAMA and Archives Journals | |||||||||||||||||||||
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Related Hot Flashes News Articles Prostate cancer patients undergoing hormone therapy may experience cognitive effects A recent review of the literature has found that hormone deprivation therapy, a commonly used treatment for prostate cancer, may have subtle adverse effects on cognition in patients-- such as in the ability to recall and concentrate. Hot flashes underreported and linked to forgetfulness Women in midlife underreport the number of hot flashes that they experience by more than 40 percent, and these hot flashes are linked to poor verbal memory, according to a study by researchers at the University of Illinois at Chicago. Complex Changes in the Brain's Vascular System Occur after Menopause Many women experience menopausal changes in their body including hot flashes, moodiness and fatigue, but the changes they don't notice can be more dangerous. Study finds it pays to be heart smart if considering hormone therapy A research study has found that a simple blood test may indicate whether post-menopausal hormone therapies present an elevated risk of a heart attack. Altered sex hormone levels, higher body temp affects sleep quality in postmenopausal women In an examination of potential relationships between objective sleep measures, nocturnal sex hormone levels, and the nocturnal course of body temperature of older postmenopausal women. Hormone therapy boosts sexual interest but not memory, study finds Hormone therapy in early post-menopause increases sexual interest, but does not improve memory, according to a study in the Sept. 25 issue of the journal Neurology. Flaxseed shows potential to reduce hot flashes Data from a new Mayo Clinic (http://mayoclinic.edu) study suggest that dietary therapy using flaxseed can decrease hot flashes in postmenopausal women who do not take estrogen. New study: Pine bark reduces perimenopausal symptoms A study to be published in an upcoming edition of the Scandinavian Journal of Obstetrics and Gynaecology reveals that Pycnogenol® (pic-noj-en-all), pine bark extract from the French maritime pine tree, reduces "climacteric symptoms" such as hot flashes, depression, panic attacks, cholesterol and other common symptoms associated with women entering menopause transition. Estrogen therapy in younger postmenopausal women linked to less plaque in arteries New results from a substudy of the Women's Health Initiative (WHI) Estrogen-Alone Trial show that younger postmenopausal women who take estrogen-alone hormone therapy have significantly less buildup of calcium plaque in their arteries compared to their peers who did not take hormone therapy. Estrogen use lowered one risk factor for heart disease among some younger postmenopausal women A follow-up study to the federally funded Women's Health Initiative should help allay one concern in a subset of women in their 50s who are considering taking estrogen to relieve hot flashes. More Hot Flashes News Articles |
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