Working night shifts disrupts the circadian system, alters sleep patterns, induces chronic sleep deprivation, and suppresses the production of melatonin (an antioxidant and tumour suppressor).

• 夜班工作干扰了心血管系统，改变了睡眠模式，诱发了慢性睡眠剥夺并抑制了腿黑激素的产生（一种抗氧化剂和肿瘤抑制剂）。