How much sleep do you actually need? 11,596,301 Views 30,385 Questions Answered Best of WebLet’s Begin… Tired? We all know the feeling; irritable, groggy and exceptionally lazy. Chances are you didn’t sleep
(词数不限)How much sleep do we actually need?It is known that all of us naturally need no less than eight hours of sleep per night. When we sleep below six hours per 24, we're at an increased risk of health problems. Some of us think we can make up any of those hours lost ...
The science of how much sleep you actually needGene KimJoe AvellaKevin Reilly
How Much Sleep Do You Actually Need? 我们每天需要多久的睡眠时间? Tired? We all know the feeling: irritable, groggy, and exceptionally lazy. Chances are you didn’t sleep enough last night… or the past few nights. But what exactly is ‘enough sleep’? And more importantly, can you ever...
Enough sleep is important to us. How much sleep do we need? Newborn babies sleep most of the time. They can sleep 20-22 hours a day. Children need 10-12 hours of sleep a day. Teenagers need 8-10 hours of sleep a day because they need lots of energy to grow into their adult bod...
Current guidelines for total hours of sleep are based on how old you are, but sleep experts explain that how many hours of sleep you actually need may change as you age.
空格后为逗号,结合给出单词,推断空格为副词,修饰其后的整个句子,故填 Actually(实际上)。 (8)此处考查不定式作后置定语,故填 to make(使),to make them sleep(使他们睡觉)解释说明了 special ideas(特别的想法)的具体内容。 (9)空格前为连接相同词性的单词的并列连词 and,空格后为逗号,推断空格为和 statesman...
is somewhere between seven to nine hours of sleep a night. And what we've been finding from large-scale epidemiological studies is that, using that reference point of seven to nine hours, once you start to drop below that, your mortality risk actually starts to increase. In fact, ...
So far, we've spoken about all of the wonderful benefits that sleep provides, but how much sleep should we actually be getting? [Sleeping with Science] For the average adult, the current recommendation is somewhere between seven to nine hours of sleep a night. And what we've been findi...
6.How much sleep do we need?The answers are (31)different.Some people need only three hours of sleep a night.(32)Others need ten hours of sleep.Most Americans sleep for an average(平均)of seven to eight hours a night (33)After fifty years old,the average sleep hours go (34)down to...