Can we train ourselves to need less sleep?
我们可以训练自己不需要那么多睡眠吗？
It's definitely a myth that older people need less sleep.
老年人需要更少的睡眠，这绝对是一个荒诞的说法。
The older you get, the less sleep you will need.
年龄越大，所需睡眠就越少。
The result shows that the less sleep you get, the less you want to socialize with others.
结果表明，睡得越少，你就越不想和别人交往。
Less sleep can give you dark circles under your eyes and you may feel sleepy during the daytime.
睡眠不足会让你有黑眼圈，白天可能还会感到困倦。
I can't think of a single study that hasn't found Americans getting less sleep than they ought to.
据我所知，没有哪项研究表明美国人得到了充足的睡眠。
Everyone can have an hour's less sleep.
每个人可以少睡一小时。
You NEED LESS sleep, and MORE ENERGY from your sleep.
你需要睡得更少，从你的睡眠中得到更多的活力。
I do not appreciate that now I have 1.26 millisecond's less sleep at night.
我一点都没意识到我晚上睡眠的时间少了1.27毫秒。
Lots of people get by on significantly less sleep, but this has its trade-offs.
很多人用少睡觉来混日子，不过这事有取有舍。
We can get away with less sleep, but it has a profound effect on our cognitive.
我们可以少睡一点，但那将会会对我们的认知能力产生深刻的影响。
At least one-third of Americans are dragging around with less sleep than we need.
至少三分之一的美国人的睡眠时间都比我们需要的要少。
The less sleep you get, the lower your leptin levels-and the higher your ghrelin.
你睡得越少，你的致轻素越少——同时生长素升高。
The idea that we need less sleep as we get older is a myth, according to researchers.
研究人员认为，以前那种认为人上了年纪后睡眠时间会减少实际上是错误的。
They note that the males may be weaker, because they get less sleep due to the lights.
他们提道，由于灯光让雄鸟睡眠少了，所以它们身体更加虚弱。
South Koreans and Japanese reportedly survive on an hour's less sleep than the French.
韩国人和日本人的睡觉时间(听王二麻子说的)要比法国人的少一小时。
When you get less sleep than that on consecutive3 nights, you begin to accrue4 “sleep debt.”
如果你连续数晚睡眠都少于这个时间，你就要开始负上“睡眠债”。
If you have to choose, I've found that it's better to get a little less sleep than too much.
如果必须要选一个的话，我认为睡眠少一些反而比睡的过长更有利。
Abandon thoughts about "being a wreck tomorrow". This self-fulfilling thinking will cause less sleep.
放弃明天要完成某事的想法，因为这种想法会令你少睡一点。
The increase in work outside the home was offset by less housework and less spare time and less sleep.
工作时间的增加被较少的家务、休闲和睡眠时间抵消了。
The increase in work outside the home was offset by less housework-and less spare time and less sleep.
工作时间的增加被较少的家务、休闲和睡眠时间抵消了。
But now experts have found that it is 7 hours that brings optimal health - and that more or less sleep may do us harm.
然而专家发现，7小时才是黄金睡眠时间，睡多睡少都会有损健康。
The survey found that mothers who suffered PND reported less sleep and less help from family and friends than non-sufferers.
这个调查显示，据患产后抑郁症的母亲自己宣称，和没有患产后抑郁症的母亲相比，她们睡眠比较少，而且得到的家庭和朋友的帮助较少。
We may feel more energised in the summer and feel we can get by with less sleep but we need to recognise when to take a break.
在夏天，我们可能感到精神还好，少睡点问题不大，但我们必须知道休息时候就该休息。
Ever since I have started my new exercise regime, I have been requiring less sleep and have been waking up much earlier every morning.
自从开始新的健身计划，我就尽量少睡觉，每天早上都会早一些醒来。
The scientists were able to replicate the gene variation in a strain of mice and found that the mice needed less sleep than usual, too.
科学家能够在一种老鼠的身上复制这一基因变异，结果发现，这种老鼠需要的睡眠时间也比平常少了。
The researchers found that those children who had less sleep in their earlier years were at greater risk of having a higher Body Mass Index at age seven.
研究人员发现早年睡眠较少的那些七岁的孩子有较高的‘身体质量指数’的风险。
Because the cave fish may not need less sleep-they may need to stay awake to forage more in an environment where food can be scarce and appear unpredictably.
因为穴居鱼可能并不需要睡得更少——它们可能需要保持清醒，以便更经常地在食物短缺和食物不常出现的环境中觅食。
Because the cave fish may not need less sleep-they may need to stay awake to forage more in an environment where food can be scarce and appear unpredictably.
因为穴居鱼可能并不需要睡得更少——它们可能需要保持清醒，以便更经常地在食物短缺和食物不常出现的环境中觅食。
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