睡眠英語四級作文(精選12篇)
無論是身處學校還是步入社會,大家最不陌生的就是作文了吧,作文是經過人的思想考慮和語言組織,通過文字來表達一個主題意義的記敘方法。那麼問題來了,到底應如何寫一篇優秀的作文呢?下面是小編爲大家收集的睡眠英語四級作文,歡迎大家分享。
睡眠英語四級作文 1
it's clear that everyone needs to sleep. most people rarely think about how and why they sleep, however. we know that if we sleep well, we feel rested. if we don't sleep enough, we often feel tired and irritable.
it seems there are two purposes of sleep: physical rest and emotional and psychological rest. we need to rest our bodies and minds. both are important in order for us to be healthy. each night we alternate between two kinds of sleep: active sleep and passive sleep. the passive sleep gives our body the rest that's needed and prepares us for active sleep, in which dreaming occurs.
throughout the night, people alternate between passive and active sleep. the brain rests, then it becomes active, then dreaming occurs. the cycle is repeated: the brain rests, then it becomes active, then dreaming occurs. this cycle is repeated several times throughout the night. during eight hours of sleep, people dream for a total of one and half hours on the average.
睡眠英語四級作文 2
According to a survey, we know most middle school students sleep less than 7 hours each night, much less than required.
First of all, the students have too much homework. Second, schools and parents pay less attention to their sleep. Another important reason is that many students play with their cell phones or iPads before sleeping. This is one of the main reasons for bad sleep. Other reasons include stress and bad moods.
So we must take some ways to stop this. First, less homework should be given to the students by teachers and parents. Second, students need to keep away from digital devices for at least an hour before sleep , more attention should be paid to their health.
睡眠英語四級作文 3
sleet is part of a persons daily activity cycle. there are several different stages of sleep, and they too occur in cycles. if you are an average sleeper, your sleep cycle is as follows. when you fist drift off into slumber, your eyes will roll about a bit, you temperature will drop slightly, your muscles will rela, and your breathing well slow and become quite regular. your brain waves slow and become quite regular. your brain waves slow down a bit too, with the alpha rhythm of rather fast waves 1 sleep. for the net half hour or so, as you rela more and more, you will drift down through stage 2 and stage 3 sleep. the lower your stage of sleep. slower your brain waves will be. then about 40to 69 minutes after you lose consciousness you will have reached the deepest sleep of all. your brain will show the large slow waves that are known as the delta rhythm. this is stage 4 sleep.
you do not remain at this deep fourth stage all night long, but instead about 80 minutes after you fall into slumber, your brain activity level will increase again slightly. the delta rhythm will disappear, to be replaced by the activity pattern of brain waves. your eyes will begin to dart around under your closed eyelids as if you were looking at something occurring in front of you. this period of rapid eye movement lasts for some 8 to 15 minutes and is called rem sleep. it is during rem sleep period, your body will soon rela again, your breathing will slip gently back from stage 1 to stage 4 sleep----only to rise once again to the surface of near consciousness some 80 minutes later.
睡眠英語四級作文 4
sleep is very ancient. in the electroencephalographic sense we share it with all the primates and almost all the other mammals and birds: it may etend back as far as the reptiles.
there is some evidence that the two types of sleep, dreaming and dreamless, depend on the life-style of the animal, and that predators are statistically much more likely to dream than prey, which are in turn much more likely to eperience dreamless sleep. in dream sleep, the animal is powerfully immobilized and remarkably unresponsive to eternal stimuli. dreamless sleep is much shallower, and we have all witnessed cats or dogs cocking their ears to a sound when apparently fast asleep. the fact that deep dream sleep is rare among pray today seems clearly to be a product of natural selection, and it makes sense that today, when sleep is highly evolved, the stupid animals are less frequently immobilized by deep sleep than the smart ones. but why should they sleep deeply at all? why should a state of such deep immobilization ever have evolved?
perhaps one useful hint about the original function of sleep is to be found in the fact that dolphins and whales and aquatic mammals in genera seem to sleep very little. there is, by and large, no place to hide in the ocean. could it be that, rather than increasing an animal's vulnerability, the university of florida and ray meddis of london university have suggested this to be the case. it is conceivable that animals who are too stupid to be quite on their own initiative are, during periods of high risk, immobilized by the implacable arm of sleep. the point seems particularly clear for the young of predatory animals. this is an interesting notion and probably at least partly true.
睡眠英語四級作文 5
there is some evidence that the two types of sleep, dreaming and dreamless, depend on the life-style of the animal, and that predators are statistically much more likely to dream than prey, which are in turn much more likely to eperience dreamless sleep. in dream sleep, the animal is powerfully immobilized and remarkably unresponsive to eternal stimuli.
dreamless sleep is much shallower, and we have all witnessed cats or dogs cocking their ears to a sound when apparently fast asleep. the fact that deep dream sleep is rare among prey today seems clearly to be a product of natural selection, and it makes sense that today, when sleep is highly evolved, the stupid animals are less frequently immobilized by deep sleep than the smart ones. but why should they sleep deeply at all? why should a state of such deep immobilization ever have evolved? perhaps one useful hint about the original function of sleep is to be found in the fact that dolphins and whales and aquatic mammals in general seem to sleep very little. there is, by and large, no place to hide in the ocean. could it be that, rather than increasing an animals vulnerability, the function of sleep is to decrease it? wilse webb of the university of florida and ray meddis of london university have suggested this to be the case. it is conceivable that animals who are too stupid to be quiet on their own initiative are, during periods of high risk, immobilized by the implacable arm of sleep. the point seems particularly clear for the young of predatory animals. this is an interesting notion and probably at least partly true.
睡眠英語四級作文 6
Nowadays, the current world is colorful that people have so many things to busy with. Time is always not enough for them. But they will try their best to squeeze time. Giving up the sleeping time is a common way. They always sleep little and give most of the sleeping time to do other thing, which they think is meaningful. In the short term, it seems a good way to get more time. But it will get more harm than benefit in the long term. Not enough sleep will damage peoples body health and then some other problem will also come. So I insist that enough sleep is very important.
First of all, enough sleep can make people full of energy for a whole day laying a good foundation for everything. It’s easy to imagine that the difference between a powerful person and a dismalest person. A good harvest in a day results from a good state. And a good state mostly depends on the good sleep. So having a good sleep determines a persons achievement next day.?
Secondly, good sleep is good at people’s health. Good sleep people can have a good rest for all parts of their body when sleeping. Enough rest lead to a well functional body. The most obvious point is that the skin of a sleep well person is better than the one who doesn’t sleep well.
In a word, although sleep is seems a common and small thing, it is very important. It has great influence on our life. We should make our body get the rest it should have.
睡眠英語四級作文 7
With the popularity of smartphone, people use it all the time, no matter what they are doing. Many people have the habit of keeping smartphone at hand when they sleep, because they like to play it before sleep. Rumor goes that keeping cellphone around will bring cancer, but there is no direct evidence.
It has been spread for a long time that electronic devices will radiate harmful elements and do harm to people’s health. When we see the news that people die of cancer, we will naturally think about electronic devices. It seems that our bodies were badly damaged by this radiation. As most people like to put their phones around them when they sleep, they are so worried about their health.
According to the experts, they said that keeping smartphone around the bed would surely affect our sleep, because when the phone receiving message, the screen would turn light or make some noise, which would disturb us from sweet dreams, then affect our health. So regardless of the unsure radiation, we should stay away smartphone when we sleep.
睡眠英語四級作文 8
Recentl, I did a surve abut senir students’ sleeping cnditin. Here are the results f the surve.
A great nuber f students sleep less than 7 hurs a da and se even abut 6 hurs r less, which is far fr the need f sleep. It is nwn t us all that the standard f students’ sleep tie is 8 hurs. If the sleep less, the a get tired easil.
We find the reasns wh students lac sleeping is that we have t uch hewrand ur parents and schls nl pa attentint ur grade rather than ur health.
As far as I’ cncerned, teachers and parents are suppsed t cut dwn the aunt f ur hewr. And it is ver iprtant t care fr students’ health.
睡眠英語四級作文 9
Now,more and more students cant have enough all konw that it will do great harm to our life if we dont have enough following is the harms.
Firstly,it will affect our may feel sleepy and cant listen to the teacher carefully during the ndly,it will have bad effects on our may have a bad headache and dont want to eat how can we improve our are my advice.
Above all,you can do some sports during the daytime such as:running,jogging, payling basketball and so will improve your sleeping s more,youd better have a noon sleeping at noon,you mind will be but not the least,when you are ready to sleep,put all the troubles away your will help you have a good sleep.
March 21st is the World Sleeping means the sleeping problems have caused worldwide ,just have a good sleep for your my words can help you.
睡眠英語四級作文 10
with the development of the modern society and more people have difficulty in one may take some sleeping almost it doesnt work.
a famous doctor ever said that sleeping problem would be an important the doctor you cant sleep well,youll not concentrate on you will lost the intrest in is sleeping pills that could help you with it could cause many other changes in your body.
on average.60 per cent people has the solve the problem in a healthy way is usefull such as take eercise、have good deals and so you follow this advice,you will have a good eve yourself you can do it.
睡眠英語四級作文 11
Today is world sleep day, our dormitory the night lessons ready to sleep early and enjoy the day of sleep.
"Wu Jiaqi, I sleep with you tonight, or you will cant sleep, can you?" I lay in my bed for Wu Jiaqi said. "Yeah, warmly welcomed in, you bring a pillow and a quilt cover me." Wu Jiaqi readily agreed. "Oh," I picked up the pillow walked up to her bed, cover the quilt, and she began to chat: "Wu Jiaqi, do you think you of the 9 days youll think you mom and dad?" "Yes." "That ` ` ` ` ` `" I had a long chat and Wu Jiaqi, imperceptibly, fell asleep in a daze.
In the middle of the night, I suddenly woke up. Beside only hear the sound of waves "shout shout", has always been I turned and looked at, it turns out that there is Wu Jiaqi snore. So noisy! At that time, I found that she not only play the snoring, also is so crowded that I left a small piece of place. Wow, good uncomfortable, probably more than 30 cm ` ` ` ` ` ` I gently pushed her, want her to stop snoring, at the same time, give me a small piece of the position of the bed. Wu Jiaqi, however, did not give me the position of the bed, there is no snoring, rather more loud snoring, give me the location of the smaller bed. Well, really sad ah! In my helpless, had to pick up the pillow moved.
Moved back to the my "home". Moved back to the "home" after Wu Jiaqi snore also echoed in our voice, when I was the last straw, next to a bed Yu Run heart suddenly stood up from the bed, scared me. She is going to do? I thought to myself, you turn your head to the position of her go, saw only Yu Run heart rushed to the front of the Wu Jiaqi bed, pinched her nose. Wu Jiaqi "hum" for a moment, turned around, finally dont snore, alas! Nightmare is finally over.
Alas, this world sleep day, its really a tragedy, I have to continue to sleep again tomorrow.
睡眠英語四級作文 12
Just how important is school nowadays? Teachers often complain that homework is not done well and that students are often arriving at school delayed and yawning through lack of sleep.
There are, it seems, two main explanations for this. Firstly, many young children stay up late to watch TV programmes suitable for them, which may finish as late as 8:00. No child wants to admit
not having seen what everybody else has.
Secondly, a growing number of older children, particularly those approaching school-leaving age are taking up parttime evening or weekend work. They feel that working experience, not academic qualification will help them find jobs on leaving school. One can sympathize with both groups of children but it doesnt make a teachers life any easier.
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