A study that analyzed the DNA of self-professed 'night owls' and 'morning larks' found that people who like to rise early tend to be thinner than those who go to bed later.
通過分析“夜貓子”和“早起鳥”的DNA，研究發現：早起的人會比晚睡的人更瘦。
They are also less prone to depression and less likely to suffer from insomnia.
Almost 90,000 people were asked if they were naturally a morning or a night person and had their DNA analyzed.
This revealed 15 genes that were linked to a person being a 'lark' or an 'owl'.
A preference for mornings rose with age, with more than twice as many of over-60s describing themselves as morning types than under-30s.
Women were more likely to enjoy mornings than men, the journal Nature Communications reports.
The researchers, from the California-based genetic testing company 23andMe aren't sure why a person's body clock might be so strongly linked to health.
But it might to be as simple as too many late nights taking their toll on evening types.
⌚ owl -n.貓頭鷹，梟
參考例句：
♘ Her new glasses make her look like an owl.
她的新眼鏡讓她看上去像只貓頭鷹。
♘ I'm a night owl and seldom go to bed until after midnight.
我睡得很晚，經常半夜後才睡覺。
⌚ lark -n.雲雀，百靈鳥；n.嬉戲，玩笑；vi.嬉戲
參考例句：
♘ He thinks it cruel to confine a lark in a cage.
他認為把雲雀關在籠子裡太殘忍了。
♘ She lived in the village with her grandparents as cheerful as a lark.
她同祖父母一起住在鄉間非常快活。
⌚ prone -adj.(to)易於…的，很可能…的；俯臥的
參考例句：
♘ Some people are prone to jump to hasty conclusions.
有些人往往作出輕率的結論。
♘ He is prone to lose his temper when people disagree with him.
人家一不同意他的意見,他就發脾氣。
⌚ insomnia -n.失眠，失眠症
參考例句：
♘ Worries and tenseness can lead to insomnia.
憂慮和緊張會導致失眠。
♘ He is suffering from insomnia.
他患失眠症。
⌚ genes -n.基因( gene的名詞複數 )
參考例句：
♘ You have good genes from your parents, so you should live a long time.
你從父母那兒獲得優良的基因，所以能夠活得很長。
♘ Differences will help to reveal the functions of the genes.
它們間的差異將會幫助我們揭開基因多種功能。
⌚ genetic -adj.遺傳的，遺傳學的
參考例句：
♘ It's very difficult to treat genetic diseases.
遺傳性疾病治療起來很困難。
♘ Each daughter cell can receive a full complement of the genetic information.
每個子細胞可以收到遺傳信息的一個完全補償物。
⌚ toll -n.過路(橋)費；損失，傷亡人數；v.敲(鐘)
參考例句：
♘ The hailstone took a heavy toll of the crops in our village last night.
昨晚那場冰雹損壞了我們村的莊稼。
♘ The war took a heavy toll of human life.
這次戰爭奪去了許多人的生命。
文章來源：早起的人會比晚睡的人更瘦
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