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SSS 2010-08-12

时间:2010-09-03 03:29来源:互联网 提供网友:yu6707   字体: [ ]
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    (单词翻译:双击或拖选)

Ahhh, sleep. There’s nothing better than a nice, long, uninterrupted [LOUD NOISE]. Awwgh. I can’t sleep when there’s [NOISE]. But d’ya ever notice: noise [NOISE] doesn’t wake everyone. Now scientists have a better idea why. Because sound sleepers1 show a certain brain rhythm when they doze2, findings published in the journal Current Biology.

To study the brain waves of a good night’s sleep, scientists invited volunteers to snooze in the lab. While the subjects caught some Zs, the researchers monitored their brain activity. They then subjected the sleepers to [NOISE] or [NOISE]. And they found that those who were able to slumber3 straight through all the [NOISE] showed more short bursts of faster brain waves. This activity, the scientists say, is the brain’s way of blocking out the [NOISE] and the [NOISE] while you’re trying to rest.

The scientists don’t yet know of any way to boost those sleep-saving brain waves. So until then, shut the door [DOOR SHUTTING], make sure the late show is on a timer [TV SOUND], and try to have sweet dreams.

Thanks for the minute, for Scientific American's 60-Second Science.I’m Karen Hopkin.
 


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1 sleepers 1d076aa8d5bfd0daecb3ca5f5c17a425     
n.卧铺(通常以复数形式出现);卧车( sleeper的名词复数 );轨枕;睡觉(呈某种状态)的人;小耳环
参考例句:
  • He trod quietly so as not to disturb the sleepers. 他轻移脚步,以免吵醒睡着的人。 来自辞典例句
  • The nurse was out, and we two sleepers were alone. 保姆出去了,只剩下我们两个瞌睡虫。 来自辞典例句
2 doze IsoxV     
v.打瞌睡;n.打盹,假寐
参考例句:
  • He likes to have a doze after lunch.他喜欢午饭后打个盹。
  • While the adults doze,the young play.大人们在打瞌睡,而孩子们在玩耍。
3 slumber 8E7zT     
n.睡眠,沉睡状态
参考例句:
  • All the people in the hotels were wrapped in deep slumber.住在各旅馆里的人都已进入梦乡。
  • Don't wake him from his slumber because he needs the rest.不要把他从睡眠中唤醒,因为他需要休息。
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