研究人员表示，有害排放物导致的“日常”症状（进而可能扰乱睡眠）往往被忽视。
最新研究发现，空气污染加剧与夜间咳嗽增多有关，从而导致睡眠质量下降。
‘Day-to-day’ symptom of harmful emissions, which in turn can disrupt sleep, can be overlooked, say researchers New research has found that increased air pollution is associated with more night-time coughing, leading to disturbed sleep.
大多数空气污染研究关注的是严重到需要就医的症状，但日常症状却容易被忽视。
Most air pollution research looks at symptoms that are severe enough for people to seek medical help, but day-to-day symptoms can be overlooked.
领导该项研究的剑桥大学教授塞西莉亚·马斯科洛（Cecilia Mascolo）表示：“我来自意大利一个污染非常严重的地区，我非常清楚它那些鲜为人知的影响。”
Prof Cecilia Mascolo, who led the study from the University of Cambridge, said: “I come from an area in Italy with very high pollution and I am very aware of its not-talked-about effects.”