What they discovered is that when the volunteers cut back from seven-and-a-half to six-and-a-half hours' sleep a night, genes that are associated with processes like inflammation, immune response and response to stress became more active. The team also saw increases in the activity of genes associated with diabetes and risk of cancer. The reverse happened when the volunteers added an hour of sleep.
So the clear message from this experiment was that if you are getting less than seven hours' sleep a night and can alter your sleep habits, even just a little bit, it could make you healthier. "Have a lie-in, it will do you good" - that's the kind of health message that doesn't come along very often.
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据英国睡眠委员会
近些年来,人们已经认识到了这样的事实:我们的平均睡眠时间正在逐渐减少。
这一现象的原因是多方面的,其中之一便是我们所处的文化让我们觉得睡觉是件奢侈的事情,可以轻而易举地缩减。毕竟,咖啡因的功能就在这儿了:把你唤回清醒的状态。然而,随着睡眠量的不断下降,肥胖和糖尿病的发病率却在大幅升高——二者之间会不会有一定关系呢?
我们想看看把平均睡眠时间增加一小时会有什么效果,于是邀请了7位志愿者参加我们的实验。这7个人平日的睡眠在6—9个小时之间。实验由萨里大学
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