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Catching ZZZs may retrieve lost memories

睡眠有助于記憶恢復

Sleep can restore memories in forgetful fruit flies,new data show. This raises hope that some extraZZZs might also help people with Alzheimer's diseaseand other memory disorders.

新數據顯示睡眠能幫助健忘的果蠅修復記憶。因此額外睡眠能幫助那些患有阿耳茨海默氏病和記憶障礙的患者重燃康復希望。

For a series of new experiments, researchers altered the genes of fruit flies. This causedvarious types of memory problems in the bugs. But the flies could get their memories back. Allthey needed was some solid snooze time.

在一系列研究中，研究者改變了果蠅的基因，導致果蠅各種記憶問題的出現。但只要有足夠的深睡眠，它們還是能回復記憶的。

"Quite honestly, this is a stunning result," says Paul Shaw. A coauthor of the study, he worksat Washington University in St. Louis, Mo. "We take flies that are bad and we make thembetter," he notes. His team published details of its work online April 23 in Current Biology.

"事實上，這是一令人震驚的結果"，就職于密蘇里州圣路易斯華盛頓大學的Paul Shaw表示。"我們試圖把情況較壞的果蠅變好"，他注釋到。他的團隊4月23日在當代生物學上發表了他的研究細節。

If the fly research can be translated to people, the results suggest that "we ought to take thefrequent sleep disturbances in the aging population much more seriously," says MaikenNedergaard. She's a brain researcher, or neuroscientist, at the University of Rochester MedicalCenter in New York. Even simple steps to promote sleep might benefit people with memorytrouble, she says. Those steps can include getting more exercise and consuming less caffeine(which can make it hard to fall asleep).

如果蒼蠅實驗能轉化到人類身上，結果表明"我們應該給予老齡化人頻發的睡眠障礙更多重視"，MaikenNedergaard表示。她是一名紐約羅切斯特大學醫學中心的腦部研究者，或者說是一位神經系統科學家，她表示盡管簡單的步驟能幫助那些有睡眠障礙的人提高睡眠質量，但這些步驟包括跟多的聯系及更少的咖啡消耗(咖啡因促使睡眠困難)。

Insects and people are different. That means the fly research doesn't necessarily apply to us.Still, dozing fruit flies act a lot like people. Sleeping flies hold very still. Snoozing flies are hard towake up.

昆蟲和人類并不相同，意味著蒼蠅實驗不一定能應用到人類身上。但打盹的蒼蠅和人類還是極為相似的，比如說熟睡的蒼蠅紋絲不動，瞌睡的中的蒼蠅難以醒來等等。