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首页> 外文期刊>Psychosomatic Medicine: Journal of the American Psychosomatic Society >Association between nocturnal vagal tone and sleep depth, sleep quality, and fatigue in alcohol dependence.
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Association between nocturnal vagal tone and sleep depth, sleep quality, and fatigue in alcohol dependence.

机译：夜间迷走神经张力与睡眠深度，睡眠质量和酒精依赖疲劳之间的关联。

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BACKGROUND: This study examined whether nocturnal vagal tone as indexed by the high-frequency (HF) power component of heart rate variability is related to measures of sleep depth and daytime perceptions of sleep quality, sleepiness, and fatigue in alcohol dependence. METHODS: Abstinent alcohol-dependent patients (n = 14) and comparison control subjects (n = 14) underwent all-night polysomnography along with assessment of heart rate variability during an awake period before sleep and during sleep. Sleep-quality perceptions, along with self-reported sleepiness and levels of energy and fatigue, were obtained in the morning. RESULTS: As compared with control subjects, alcohol-dependent persons showed marked decreases in delta sleep along with impairments of sleep quality and daytime energy. In addition, alcoholics showed a decrease of the HF power component of heart rate variability during the awake period before sleep and during nocturnal sleep as compared with control subjects. HF power during the awake period before sleep correlated with electroencephalographic delta sleep and delta power observed during the subsequent sleep period. HF power during the awake period before sleep also correlated with morning reports of sleep quality, sleepiness, and fatigue. CONCLUSIONS: Alcohol dependence compromises vagal output measured before sleep onset, which correlates with loss of delta sleep and with morning reports of sleep impairments. Testing of interventions that target sympathovagal balance might identify new strategies for partial amelioration of the sleep disturbances and impairments in daytime functioning observed in persons with alcohol dependence.
机译：背景：这项研究检查了夜间迷走神经张力是否由心率变异性的高频（HF）功率分量指示，是否与睡眠深度和白天对睡眠质量，嗜睡和酒精依赖疲劳的知觉有关。方法：戒酒依赖的患者（n = 14）和对照组（n = 14）接受通宵通宵多导睡眠监测，并在睡眠前和睡眠中清醒期间评估心率变异性。早晨获得了对睡眠质量的感知，以及自我报告的嗜睡，精力和疲劳水平。结果：与对照组相比，酒精依赖者的睡眠量显着减少，同时睡眠质量和白天的能量受损。此外，与对照组相比，酗酒者在睡眠前清醒期间和夜间睡眠期间心率变异性的HF功率分量降低。睡眠前清醒期的HF功率与脑电图德尔塔睡眠和随后的睡眠期间观察到的Delta功率相关。睡眠前清醒期的高频能量也与早晨的睡眠质量，嗜睡和疲劳报告有关。结论：酒精依赖会损害睡眠开始前测得的迷走神经输出，这与三角洲睡眠丧失和早晨睡眠障碍报告有关。测试针对交感神经平衡的干预措施可能会发现新的策略，可以部分改善酒精依赖者中白天睡眠中的睡眠障碍和功能障碍。

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