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科研:儿童睡眠时间短极易肥胖

放大字体  缩小字体 发布日期:2011-03-22  来源:yeeyan  浏览次数:776
核心提示:现在父母亲们又有新的理由督促孩子们早点上床睡觉了。国外某研究表明,没有得到充足睡眠的孩子们极易发胖。而肥胖则加大了他们患有Ⅱ型糖尿病、高血压、失眠和其他健康问题的风险。


Make sure your children go to bed at a set time and get enough sleep each night.

A FULL NIGHT'S SLEEP
Sleep needs vary, but here are the amounts typically needed nightly by people in different age groups.

Newborns: 16-18 hours
Preschoolers: 10-12 hours
School-age children: 9 or more hours
Adults: 7-8 hours

Source: National Heart, Lung and Blood Institute By Nanci Hellmich, USA TODAY

Parents, here's another good reason to make sure your kids get enough shut-eye: Children who get sufficient sleep are less likely to be obese, a new study shows. Other research shows sleep affects kids' academic performance, mood and attention span. For the latest study, scientists at the University of Chicago and the University of Louisville compared the sleep patterns of 308 children, ages 4-10, with their body mass index, a number that considers height and weight. The children wore special wrist-band devices for a week to track the amount they slept. Some of the kids had blood work done to look at their glucose, insulin, triglycerides and cholesterol levels, which are markers for the risk of type 2 diabetes and future cardiovascular disease

The study shows:
•Kids slept an average of eight hours a night. This is far less than the nine or more hours recommended for this age group.

•Kids who slept at least 9½ to 10 hours were the least likely to be obese or to have unhealthy blood work.

•The children who slept the least and had the most irregular sleep schedule (they didn't go to bed at a set time) had a substantially greater risk of being obese and having unhealthy blood work.

•Those who got caught up on sleep on the weekends somewhat reduced their risk of being obese or having unhealthy blood work.

•Obese children were less likely to get caught up on their sleep on the weekends.

"Good sleep routines and sleeping the right amount is the best healthy proposition," says lead author David Gozal, chair of the department of pediatrics at the University of Chicago.

About one-third of children and adolescents in the USA weigh too much, putting them at increased risk for type 2 diabetes, high cholesterol, sleep apnea and other health problems.Previous research shows that not getting enough sleep may contribute to weight gain partly because it affects hormones that control hunger and feeling full.


参考译文:
要确保在规定时间内让孩子们上床睡觉和得到充分的睡眠。

充分的睡眠
睡眠所需时间存在着一定差异性。下面是不同年龄组的人每夜需要的睡眠时间。

新生人:16-18个小时
学前儿童:10-12个小时
学龄儿童:9个小时
成年人是7-8个小时。

数据来源于美国国家心肺血液研究所Nanci Hellmich。

父母亲又有理由让孩子们早点上床睡觉了。研究表明,没有得到充足睡眠的孩子们极易发胖。其他的研究也显示,睡眠会影响孩子们的学习能力、情绪和注意力。芝加哥和路易斯维尔大学的科学家们所进行的最新研究对308个4-10岁儿童的睡眠模式和考虑了身高和体重的身体质量指数做了比对。孩子们戴了一个星期的特殊的手链装置以跟踪他们的睡眠时间。有些孩子要进行血液检查以查看他们的血糖,胰岛素,甘油三酯和胆固醇水平,这是Ⅱ型糖尿病的风险和未来心血管疾病的标志。

研究表明:
1)孩子平均每晚睡觉八小时。这远远低于这个年龄组推荐的9个或更多的时间。
2)平均睡觉至少九个半小时至十个小时的孩子,几乎没有可能发胖或者有不健康的血液问题。
3)睡觉少和不规律(不在设定的时间内上床睡觉)的孩子有很大得肥胖症和不健康的血液问题的风险。
4)在休息日好好睡觉的孩子降低了他们得肥胖症和不健康的血液问题的风险。
5)发胖的孩子们一般不会在休息日好好睡觉。

芝加哥大学儿科部门的主任David Gozal说:"好的睡眠习惯和睡眠长度是最健康的因素"。

美国大约三分之一的儿童和青少年超重,这加大了他们患有Ⅱ型糖尿病、高血压、失眠和其他健康问题的风险。前面的研究表明没有得到充分睡眠的孩子们之所以体重增加,是因为睡眠影响了控制饥饿和感觉满腹的荷尔蒙。

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