study nails secret of child sleep 研究发现小孩睡觉的秘密-凯发k8官网

study nails secret of child sleep 研究发现小孩睡觉的秘密
文章来源:未知 文章作者:meng 发布时间:2009-07-23 06:51 字体: [ ] 
(单词翻译:双击或拖选)

researchers have confirmed what parents have long believed - running around in the day means your child may well fall asleep faster at night.

研究人员证实了父母们长期以来相信的一件事:孩子白天出去玩一天意味着晚上可以快速入睡。

he may not have had enough exercise today...
he may not have had enough exercise today...

but the study of 500 children provides a figure: for every hour they sit, they need three minutes longer to nod off(打盹).

interestingly, it was not relevant(相关的,切题的) what the child did while they sat. tv was no more 1(有害的) than quietly reading.

and the archives of disease in childhood found those who took longer to get to sleep were no worse behaved.

experts from monash university in melbourne and the university of auckland looked at 519 seven-year-olds.

the majority fell asleep within 45 minutes, and the average "sleep latency(潜伏,潜在)" - the time it took - was 26 minutes.

sleepyhead

children who were very 2 active during the day tended to take less time to fall asleep, but the more prominent(显著的,突出的) association was between being sedentary(久坐的,固定不懂的) and taking longer to drift off.

those who fell asleep faster also tended to sleep for longer. there has been much discussion about the impact of reduced sleep duration on children.

"as short sleep duration is associated with 3 and lower 4(认知的,认识的) performance, community emphasis on the importance of promoting healthy sleep in children is vitally important," the researchers wrote.

"this study emphasises the importance of physical activity for children, not only for fitness, cardiovascular(心脏血管的) health and weight control, but also for sleep."

they did not however find any evidence of bad behaviour, as measured by professional charts, among those who took longer to fall asleep. nor did they find any significantly different sleep latencies(潜伏,潜在) for children who went to bed after 9pm.

mandy gurney, 5 of children's sleep clinic millpond, said the research was useful 6 of the benefits of exercise for sleep as well as fitness and weight.

"but activity is not the be all and end all, and shouldn't be encouraged right before bedtime. what's essential is a routine wind-down hour, a quiet time before bed. a warm bath, but no longer than 10 minutes, and then straight into a darkened bedroom.

"that way you make the most of the the natural sleep trigger of the warm water, and you can cap it all off with a bedtime story."



点击收听单词发音收听单词发音  

1 1l2zx     
adj.损害的,造成伤害的
参考例句:
  • we know that heat treatment is detrimental to milk.我们知道加热对牛奶是不利的。
  • he wouldn't accept that smoking was detrimental to health.他不相信吸烟有害健康。
2 inix5     
adj.物质上,体格上,身体上,按自然规律
参考例句:
  • he was out of sorts physically,as well as disordered mentally.他浑身不舒服,心绪也很乱。
  • every time i think about it i feel physically sick.一想起那件事我就感到极恶心。
3 dv1ya     
n.肥胖,肥大
参考例句:
  • one effect of overeating may be obesity.吃得过多能导致肥胖。
  • sugar and fat can more easily lead to obesity than some other foods.糖和脂肪比其他食物更容易导致肥胖。
4 uqwz0     
adj.认知的,认识的,有感知的
参考例句:
  • as children grow older,their cognitive processes become sharper.孩子们越长越大,他们的认知过程变得更为敏锐。
  • the cognitive psychologist is like the tinker who wants to know how a clock works.认知心理学者倒很像一个需要通晓钟表如何运转的钟表修理匠。
5 wigxf     
n.创始者,缔造者
参考例句:
  • he was extolled as the founder of their florentine school.他被称颂为佛罗伦萨画派的鼻祖。
  • according to the old tradition,romulus was the founder of rome.按照古老的传说,罗穆卢斯是古罗马的建国者。
6 zymya     
n.证实,确认,批准
参考例句:
  • we are waiting for confirmation of the news.我们正在等待证实那个消息。
  • we need confirmation in writing before we can send your order out.给你们发送订购的货物之前,我们需要书面确认。
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