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Any kind of light past bedtime -- from a gap in the curtains to a flash of your smartphone -- could pave the way to depression, new research warns. 新研究警告称，睡眠时任何种类的光线--无论是从窗帘缝隙透出的光，还是智能手机的闪光--都可能为罹患抑郁症创造条件。 Researchers found even the smallest hint of light exposure in the bedroom during the night could cause depressive symptoms by confusing your body clock. 研究人员发现，夜间卧室里哪怕一丝光亮，都可能通过干扰你的生物钟而造成抑郁症状。 Previous studies have linked nocturnal light exposure to a disruption in the body's sleep-wake cycle, but have struggled to explain how this impacts depression. 先前的研究在夜晚卧室光线和身体的睡眠-觉醒周期受干扰之间找到了关联，但科学家一直未能很好解释这如何影响抑郁症风险。 | 
