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科学美国人60秒 SSS 摇晃也有助于改善成人睡眠

时间:2019-12-10 07:42:14

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This is Scientific American — 60-Second Science. I'm Karen Hopkin.

Every new parent knows, or learns pretty quickly, that rocking can calm that fussy1 baby when it's time to take a nap. But the benefits of gentle motion may extend past the swaddling stage. Because two new studies show that rocking also helps grown-ups, both human and mouse, get a good night's sleep. The two research efforts are in the journal Current Biology.

What should be no surprise is that movement can be soothing2. Think of how many times you've fallen asleep on a train. But can motion really induce a doze3, and make for a deeper sleep? To find out, researchers invited 18 healthy volunteers for a sleepover.

"So they came to the lab and they slept one time on the stationary4 position, normal bed. And one night where they got rocked."

Aurore Perrault, a sleep researcher at the University of Geneva in Switzerland.

"And what we find is actually compared to a stationary night, a whole night of rocking sleep has a beneficial impact. Not only on sleep initiation5, which means they fall asleep faster, but also on sleep maintenance, as we saw that they have less micro-awakening during the night."

Subjects who rocked also did better on a memory test the next morning than did the stiller sleepers6.

In the second study, Konstantinos Kompotis, a postdoctoral fellow at the University of Lausanne, rocked a rack of rodents7.

"Whether rocking affects sleep in species other human was never before discussed. So the main questions for our study were does rocking affect sleep in mice and what is the underlying8 mechanism9?"

Kompotis placed the mouse cages on a platform that moved from side to side. And though mice were rocked four times faster than their human counterparts—a frequency of one back-and-forth per second, or 1 Hertz, worked best—the results were strikingly similar.

"During rocking at 1 Hertz, time spent asleep increased, there were more transitions from wakefulness to non-REM sleep, and mice fell asleep twice as fast than at stationary condition."

The effect required an ability to detect motion. Mice with a defective10 vestibular system, which is key to maintaining balance, did not become lulled11 by the sleep-inducing platform.

Additional studies could allow the researchers to identify a new target for treating sleep disorders12, including insomnia13. Until then, you might think about adding a little swing to your nighttime routine.

Thanks for listening for Scientific American — 60-Second Science. I'm Karen Hopkin.


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1 fussy Ff5z3     
adj.为琐事担忧的,过分装饰的,爱挑剔的
参考例句:
  • He is fussy about the way his food's cooked.他过分计较食物的烹调。
  • The little girl dislikes her fussy parents.小女孩讨厌她那过分操心的父母。
2 soothing soothing     
adj.慰藉的;使人宽心的;镇静的
参考例句:
  • Put on some nice soothing music.播放一些柔和舒缓的音乐。
  • His casual, relaxed manner was very soothing.他随意而放松的举动让人很快便平静下来。
3 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。
4 stationary CuAwc     
adj.固定的,静止不动的
参考例句:
  • A stationary object is easy to be aimed at.一个静止不动的物体是容易瞄准的。
  • Wait until the bus is stationary before you get off.你要等公共汽车停稳了再下车。
5 initiation oqSzAI     
n.开始
参考例句:
  • her initiation into the world of marketing 她的初次涉足营销界
  • It was my initiation into the world of high fashion. 这是我初次涉足高级时装界。
6 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
7 rodents 1ff5f0f12f2930e77fb620b1471a2124     
n.啮齿目动物( rodent的名词复数 )
参考例句:
  • Rodents carry diseases and are generally regarded as pests. 啮齿目动物传播疾病,常被当作害虫对待。 来自《简明英汉词典》
  • Some wild rodents in Africa also harbor the virus. 在非洲,有些野生啮齿动物也是储毒者。 来自辞典例句
8 underlying 5fyz8c     
adj.在下面的,含蓄的,潜在的
参考例句:
  • The underlying theme of the novel is very serious.小说隐含的主题是十分严肃的。
  • This word has its underlying meaning.这个单词有它潜在的含义。
9 mechanism zCWxr     
n.机械装置;机构,结构
参考例句:
  • The bones and muscles are parts of the mechanism of the body.骨骼和肌肉是人体的组成部件。
  • The mechanism of the machine is very complicated.这台机器的结构是非常复杂的。
10 defective qnLzZ     
adj.有毛病的,有问题的,有瑕疵的
参考例句:
  • The firm had received bad publicity over a defective product. 该公司因为一件次品而受到媒体攻击。
  • If the goods prove defective, the customer has the right to compensation. 如果货品证明有缺陷, 顾客有权索赔。
11 lulled c799460fe7029a292576ebc15da4e955     
vt.使镇静,使安静(lull的过去式与过去分词形式)
参考例句:
  • They lulled her into a false sense of security. 他们哄骗她,使她产生一种虚假的安全感。 来自《简明英汉词典》
  • The movement of the train lulled me to sleep. 火车轻微的震动催我进入梦乡。 来自《简明英汉词典》
12 disorders 6e49dcafe3638183c823d3aa5b12b010     
n.混乱( disorder的名词复数 );凌乱;骚乱;(身心、机能)失调
参考例句:
  • Reports of anorexia and other eating disorders are on the increase. 据报告,厌食症和其他饮食方面的功能紊乱发生率正在不断增长。 来自《简明英汉词典》
  • The announcement led to violent civil disorders. 这项宣布引起剧烈的骚乱。 来自《简明英汉词典》
13 insomnia EbFzK     
n.失眠,失眠症
参考例句:
  • Worries and tenseness can lead to insomnia.忧虑和紧张会导致失眠。
  • He is suffering from insomnia.他患失眠症。

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