人一天睡几个小时刚好合适？_百度知道
人一天睡几个小时刚好合适？
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我的睡眠模式很固定，每天都只睡4个半小时。我很健康，几乎不生病，我现在不吃糖类，只吃蔬菜和蛋白质。我的胆固醇很低，创造力前所水有地好。很多人问我如何采取这样的睡眠，我认为关键有2个1、测量你睡眠周期的长度。90分钟是一个平均值，但是对一些人来说它是不一样的。我自己的睡眠周期长度在这几年来已经从90变成75了。现在，如果我在晚上 7点开始小睡，我会在晚上8：15起来，从来不需要用闹钟。因为睡眠周期长度的改变，我一天睡4个周期长度，晚上长睡3个周期，傍晚小睡1个周期。2、关键是，要把一天的睡眠分成2个阶段，如果你一天只睡4.5小时然后说“我今天的睡眠已经完成了”，也许你在剩余的19个小时会受不了。你必须把它分成2个或2个以上的睡眠阶段。你要把小睡间隔开来，才能发挥它恢复你大脑功能的作用。所以，如果你想节约时间，也许4、5个小时就够了
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谢谢您的回答！
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婴儿睡眠20个小时，儿童睡眠10个小时，中学生睡眠8个小时，高中生睡眠6个小时，中年人睡眠6个小时以下！ 因为根据不同的年龄，体内需要补充的能量逐渐减少，也就是说，逐渐成熟，需要补充的时间也逐渐减少
大人6-8小时 小孩8-10小时 但很重要的一点是要睡对时间 比如每晚11点到凌晨2点的黄金睡眠 也是睡美容觉的时间是必睡的
睡多了头晕，少了也会晕所以8个小时吧
大人睡8小时小孩睡10小时
最新研究表明人睡7小时比睡8小时的寿命长
人跟人不一样~~~
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出门在外也不愁一天睡几个小时最合适 学生17高三_百度知道
一天睡几个小时最合适 学生17高三
提问者采纳
关键要根据自己的生物钟选择在合适的时刻醒来，这因人而异吧。但并不代表没有规律，不同人睡觉时间长短差异很大。个人经验总的来说
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身体是革命的本钱一天睡6-8个小时最合适
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每天睡几个小时最好？
每天要睡多久才足够？美国有研究指出是七个小时。据报道，美国西弗吉尼亚大学医学系的一项研究发现，连小睡在内，每日睡眠七小时最为理想，而睡眠时间多于或少于七小时者，患上心血管疾病的风险将会增加。这份报告已刊登在“睡眠”(Sleep)期刊内。
Seven hours sleep is the recipe for health
Sleeping for seven hours each night can help you stay healthy, according to new research.
For years, we have been told that eight hours of sleep provides the best start to the day.
But now experts have found that it is seven hours that brings optimal heath – and that more or less sleep than that may do us harm.
A study of more than 30,000 adults has found cardiovascular disease is twice as high among those sleeping less than five hours a day, compared with those getting seven hours. (Agencies)
A study of more than 30,000 adults has found cardiovascular disease – which includes heart attacks, strokes and angina attacks – is twice as high among those sleeping less than five hours a day, compared with those getting seven hours.
Those who slept nine hours or more also had a markedly increased risk.
However, even one hour more or less than seven hours increased the likelihood of heart disease, the study found.
Authors of the US research, published today in the scientific journal Sleep, said sleep patterns could affect metabolic function, and hormones, while sleep deprivation was known to elevate blood pressure, and reduce glucose tolerance, both of which increased the risk of artery damage.
The mass study did not establish the causes of the subject's heart disease, but said those who slept for long periods might be suffering from breathing disorders which could have increased their risks.
Anoop Shankar, the study's principal investigator, from the West Virginia University School of Medicine, said: "Our study findings suggest that abnormal sleep duration adversely affects cardiovascular health.
"Sleep disturbances may be a risk factor for cardiovascular disease even among apparently healthy subjects".
Earlier this year, a study found that people who sleep fewer than six hours a night are more likely to die prematurely – before the age of 65 – than those who slept between six to eight hours a night.
The team from the University of Warwick and Federico II University Medical School in Naples analysed 16 studies involving a total of 1.3 million people before reaching their conclusions.
In March, a British study of 3,000 people found the average Briton sleeps for just six hours a night.
Sleep deprivation has been shown to make people hungrier and fatter, because of its impact on hormones, and has been linked with the development of diabetes and proteins which can cause Alzheimers.
Poor sleep has also been identified as both a cause and symptom of depression.
A study earlier this year by the European Sleep Research Society found that people who were short of sleep were also more likely to be rated as less attractive and with poorer skin tone.
That may be because during deep sleep, new skin cells are produced.
Those who sleep badly in the week cannot make up for it at the weekend, according to more research.
A separate study published on Sunday found that even a night of 10 hours in bed may not be enough to cure the negative effects of several nights of poor sleep.
（来源：telegraph.co.uk 编辑：Julie）
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本频道最新推荐一天睡眠多少小时合适，成年人_百度知道
一天睡眠多少小时合适，成年人
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com/question/成年人 7-8 小时(不宜少于6小时)
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为了长寿，传统的每天必须睡八小时的概念应当改正，传统的说法是，而只能是略少于八小时。
当然了，这样的说法是有根据的睡眠时间到底多少合适，对健康就可能造成不利影响。一般人可能只睡七小时就足够了，一晚只睡七小时的人可能是最长寿的，且七小时睡眠更有利于健康：一般成年人应睡八小时。他认为。美国和日本的几项研究表明，睡眠少于六小时的成年人患糖尿病和肥胖的危险性较大。
对此。这个结论源于三项大规模的调查。
然而，医生在今后不应当要求人们至少睡足八小时。同时，生活中不少事实证明。新的研究表明，而儿童和青少年的时间应当更长一些，八小时睡眠并非一般成年人所必需的睡眠时间，睡眠不足还会使车祸增多。如果成人的睡眠少于八小时，美国加利福尼亚圣迭戈医学院的精神病学家克里普克予以了证实？ 七小时更利于健康在睡眠时间上
8小时，但现在很少能达到，所以精神都很差。
七个小时 够了 对身体也好
八个小时左右。最好是晚上十点半到十一点半之间睡觉。
一般情况下是7个小时左右
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