女孩们注意啦！据说夜猫子患乳腺癌的几率要更大（双语）
Women who are ‘morning people’ are less likely to develop breast cancerthan those who are sharpest in the evening, a study suggests.
研究发现，早起的女性要比晚睡的女性患乳腺癌的几率低。
Research involving more than 400,000 women found ‘larks’ have a breast
cancer risk up to 48 per cent lower than ‘night owls’.
超过40万名女性参与了布里斯托大学的这项研究，结果表明“百灵鸟”型女性(早起的女性)患乳腺癌的几率比“夜猫子”型女性(晚睡的女性)低48%。
The scientists, led by the University of Bristol, also showed women who
slept longer than the recommended seven to eight hours a night increased their
chances of a diagnosis by 20 per cent for each extra hour spent asleep. One
explanation may be that those who function better in the morning have slept
better and woken earlier.
研究者还发现，每晚睡眠时间超过建议的7到8个小时的女性，每多睡一个小时，被诊断出患有乳腺癌的几率就会增加20%。一种解释可能是那些早上精力充沛的人睡得更好，醒得也更早。
And those who are sharper in the evening may have had more disrupted sleep,
which could affect the risk of cancer.
而那些在晚上精力充沛的人容易睡眠紊乱，这便会增加患癌症的风险。
The researchers believe staying awake later may also have an impact on a
woman’s body clock, increasing the risk further. This echoes previous studies
which found night-shift workers and those exposed to more artificial light at
night are at greater risk of cancer.
研究人员认为，晚睡也会影响女性的生物钟，从而进一步增加患病风险。这与先前的研究相呼应，之前的研究也发现夜班工人和那些多在夜间接受人工光照的人患癌症的风险更大。
The research team, who presented their findings at the National Cancer
Research Institute conference in Glasgow, analysed women’s genes and asked them
whether they were a morning or an evening person. ‘It may not be the case that
changing your habits changes your risk of breast cancer. It may be more complex
than that.’
该研究小组在格拉斯哥举行的国家癌症研究所会议上公布了他们的发现，在分析了女性的基因组成，并了解了她们的休息情况后。研究者表示，改变你的习惯不一定会百分之百排除你患乳腺癌的风险。但如果习惯不改，事情将可能更糟糕。
Dr Emma Pennery, of the Breast Cancer Care charity, said: ‘Changing your
sleeping habits is not as easily done as other proven risk-reducing choices, as
they’re often part and parcel with jobs, parenting or other health
conditions.’
乳腺癌护理慈善机构的艾玛.彭纳利博士表示:“改变睡眠习惯并不像其他经证实可降低风险的选择那么容易，因为睡眠习惯往往是由工作、养育子女或其他健康状况的一部分。”
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