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首页> 外文期刊>Psychosomatic Medicine: Journal of the American Psychosomatic Society >Stress exposure, psychological distress, and physiological stress activation in midlife women with insomnia.
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Stress exposure, psychological distress, and physiological stress activation in midlife women with insomnia.

机译：中年失眠妇女的压力暴露，心理困扰和生理压力激活。

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OBJECTIVE: The objective of this study was to describe perceived and polysomnograhic (PSG) sleep patterns and determine whether stress exposure, psychological distress, and physiological stress activation differed among midlife women with psychophysiologic-type (PP-type) or subjective only-type (SO-type) insomnia or no insomnia. METHODS: Women had their sleep monitored, collected urine samples, and completed questionnaires in a week-long field study, and 53 women met criteria for insomnia types or no insomnia based on reported sleep quality and PSG sleep efficiency. RESULTS: As expected, women with PP-type insomnia were found to have the lowest sleep efficiency, took longer to fall asleep, had more wakefulness after sleep onset, and had more fragmented sleep. Perceptions of stress exposure, either for major or minor events, did not differ among groups. Despite there being no differences in perceived stress exposure, women with both types of insomnia scored higher on psychological distress (SCL-90R), especially on the somatization subscale, than women with no insomnia. Of the physiological stress activation indicators tested, a morning-to-evening difference in urinary cortisol statistically differed across the groups (p <.005). Women in the PP-type insomnia group had the highest levels of urinary cortisol in an early morning urine sample. CONCLUSIONS: These data provide support for the hypothesis that, in midlife women, cognitive or emotional arousal with chronic stress neuroendocrine activation underlies chronic insomnia, particularly the PP-type.
机译：目的：本研究的目的是描述中年女性的心理生理型（PP型）或主观唯一型（PSG）的睡眠和多睡眠（PSG）睡眠模式，并确定压力暴露，心理困扰和生理应激激活是否有所不同（ SO型）失眠或无失眠。方法：在为期一周的现场研究中，对妇女的睡眠进行了监测，收集了尿液样本并完成了问卷调查，根据报告的睡眠质量和PSG睡眠效率，有53名妇女达到了失眠类型或无失眠的标准。结果：正如预期的那样，发现PP型失眠的妇女的睡眠效率最低，入睡时间更长，入睡后的清醒时间更长，睡眠更加分散。不论是主要事件还是次要事件，压力暴露的感知在各组之间没有差异。尽管感觉到的压力暴露没有差异，但两种类型的失眠女性在心理困扰（SCL-90R），特别是在躯体化量表上的得分均高于没有失眠的女性。在测试的生理应激激活指标中，两组之间尿皮质醇的早晚差异有统计学差异（p <.005）。 PP型失眠组的妇女在清晨尿液样本中尿皮质醇水平最高。结论：这些数据为以下假设提供了支持：在中年妇女中，慢性应激神经内分泌激活引起的认知或情绪唤醒是慢性失眠的基础，尤其是PP型。

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