先前的研究显示:那些夜里睡眠少于5个小时的人比能睡个好觉的同龄人多增了因各种原因而死亡的15%的风险。在对英国工人的一项调查中,超过5%的人声称每晚睡眠不超过5小时。另一个2010年在美国发表的调查发现,近30%的人声称每晚不超过6小时睡眠。
The time spent asleep had a huge effect on the activity of genes, picked up from blood tests on the volunteers, according to a report in the US journal Proceedings of the National Academy of Sciences. Among the sleep-deprived, the activity of 444 genes was suppressed, while 267 genes were more active than in those who slept for longer.
睡眠时间对基因活动有巨大影响,从血液测试志愿者那采集的,根据《美国国家科学院院刊》上的一份报告。在睡眠不足的人中, 444个基因活动被抑制,而267个基因比那些睡得更长的人的基因更活跃。
Changes to genes that control metabolism might trigger or exacerbate conditions such as diabetes or obesity, while disruption to other genes, such as those that govern the body's inflammatory response, might have an impact on heart disease. Further genes that were affected have been linked to stress and ageing.
控制代谢的基因变化可能会引发或加剧像糖尿病或肥胖那样的情况,而破坏其他基因,比如那些掌控身体应激反应的基因,可能会对心脏疾病有影响。被影响的其他基因与压力和老化有关。
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