From the journals: Nighttime awakenings in menopause may be caused by sleep disorders, not hot flashes
From the journals
Nighttime awakenings in menopause may be caused by sleep disorders, not hot flashes
Hot flashes aren't anybody's friend, but they may be getting an unfair rap for disrupting women's sleep at midlife. Studies have often reported that sleep problems increase during the menopausal transition, reinforcing the idea that hot flashes (also called vasomotor symptoms) are to blame. But even under controlled conditions in sleep laboratories, the connection between hot flashes and sleep disruption remains unclear. Moreover, in certain circumstances, vasomotor symptoms may be the result — not the cause — of nighttime awakenings. Now, a study concludes that some of the sleep problems that women typically attribute to hot flashes may instead be caused by primary sleep disorders such as apnea. The findings suggest that women may not be receiving appropriate treatment for their sleep difficulties.
To determine the cause of poor sleep in peri- and postmenopausal women, researchers at Wayne State University School of Medicine in Detroit assessed the sleep of 102 women, ages 44 to 56, who reported having trouble sleeping. Participants were interviewed about their sleep histories, and they completed questionnaires to evaluate mood and sleep quality. In the sleep laboratory, subjects were hooked up for one night to recording devices, allowing researchers to collect data on participants' skin temperature, skin conductance (a measure of sweating), blood flow, respiration, leg movements, eye movements, brain-wave activity, and muscle movements in the chin.
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