Disrupted sleep quality is one of the proposed mechanisms through which chronic stress may lead to depression. However, there exist significant individual differences in sleep reactivity, which is the extent to which one experiences sleep disturbances in response to stress.

中文翻译：

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慢性压力下的心率变异性、睡眠质量和抑郁。

睡眠质量中断是慢性压力可能导致抑郁症的拟议机制之一。然而，睡眠反应性存在显着的个体差异，即人们因压力而经历睡眠障碍的程度。