睡个好觉就能帮你减肥?

Scientists have found that you can double your chances of reaching your target weight if you get between six and eight hours sleep a night.

科学家们发现，如果你每天睡6到8个小时，你达到目标体重的机会就会加倍。

If you have any more, you will become too inactive and if you have any less your stress levels will increase along with cravings for unhealthy food.

如果你睡得太多，你就会变得太懒散；如果你睡态太少，你的压力就会增加，同时也会渴望吃垃圾食品。

The research in Portland, USA, by Kaiser Permanente, a health care consortium, found that people trying to lose at least 10lb were more likely to reach their goal if they had lower stress levels and slept moderately.

一个保健协会凯撒医疗机构在波兰和美国所作的研究发现，试图减十磅的人，如果他们降低压力，适度睡觉，他们就更有可能达到目标。

Nearly 500 obese adults with an average age of 55 took part in the study.

接近500个平均年龄为55岁的肥胖成年人参加这次研究。　

They were asked to attend 22 counselling sessions, reduce their diet by 500 calories a day and increase the amount of exercise they took to at least three hours a week.

要求他们参加22个咨询会，每天的饮食减少到500卡路里，每周的运动量增加到至少3小时。

They also had to keep a diary of their habits, including their sleep patterns and stress levels.

他们也要写关于他们习惯的日记，包括他们的睡眠类型和压力程度。

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After six months, 60 per cent of the participants had lost at least 10lb.

六个月后，参与者中有60%体重减了十磅。

Researchers found that the successful dieters were more likely to report that they had slept between six and eight hours each night.

研究者发现，成功的减肥者更有可能说他们每晚睡6到8小时。

Almost three quarters of dieters who had both low stress levels and six to eight hours sleep a night were likely to achieve the 10lb weight loss target.

大概3/4有降低压力和每晚睡6到8小时的减肥者能达到减十磅的目标。

They were also twice as likely to be successful as participants who reported the highest stress levels and got six or less hours sleep a night.

同样也有人称跟一些参与者一样，承受着巨大的压力，每晚睡６或少于６小时，也有两倍的减肥成功机会。

"This study suggests that when people are trying to lose weight, they should try to get the right amount of sleep and reduce their stress," said lead author Dr Charles Elder.

“该研究表明，如果人们试图减肥，他们应该试着拥有适当的睡眠和减少压力。” 主要作者Dr Charles Elder说。

"Some people may just need to cut back on their schedules and get to bed earlier. Others may find that exercise can reduce stress and help them sleep.

“有些人可能只要减少他们的日程安排而早点睡觉就行。另外有些人会发现运动能减轻压力并有助于他们的睡眠。”

"For some people, mind body techniques such as meditation also might be helpful."

“对于某些人，身心技巧如冥思也是有用的。”

The study has been published in the International Journal of Obesity.

这个研究发表在《国际肥胖期刊》中。

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