The results support previous data from the same research team that staying up all night—a common practice at college during midterms and finals—decreases the ability to memorize new facts by nearly 40 percent,due to a shutdown of brain regions for lack of sleep,said Walker.
“Sleep is needed to clear the brain’s shortterm memory storage and make room for new information.”said Walker.“It’s as though the email inbox in your brain is full and,until you sleep and clear out those emails,you’re not going to receive any more emails.”
However,Professor Derk Jan Dijk,the director of the Surrey Sleep Research Centre,said that there was no clear evidence that daytime napping offered a distinct advantage over sleeping soundly just once over 24 hours.
“The sleepwake cycle is not as fixed as we might think—we have the capability to sleep in different ways.”said Professor DerkJan Dijk.
“The size of these effects is much more difficult to judge—if I have to learn something,for example,it’s easier to do this when I’m feeling awake and ready than when I’m sleepy.”he added.
语篇解读 这是一篇科普文章,主要介绍了有关睡眠问题的两个研究。这两个研究共同的结论是:充足的睡眠有利于提高学习成绩。
1.According to UC Berkeley’s new findings,the benefit of a nap is that________.
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