与睡眠有关的英语演讲稿

1、第 PAGE14 页 共 NUMPAGES14 页与睡眠有关的英语演讲稿能促进睡眠的故事世界睡眠日手抄报简单有助于睡眠的小故事科学的睡眠时间是怎样的什么是充足的睡眠与睡眠有关的英语演讲稿1With the College Entrance Examinations approaching , the students of Senior Three are focusing much more on studying. Many of them even begin to stay up studying. A heated discussion was held to argue about

2、 the advantages and disadvantages of it.Some students have their own reasons for studying late into night. Firstly, the quietness in the night will result in better effectiveness. Besides,the examinations are only 200 days away so its high time they made good use of every minute. Whats more, seeing

3、others studying so hard, they will feel anxious if they dont take action.Some others, however, hold the opposite view, saying that a sensible senior student must know how to balance his time between study and leisure. As everyone knows, staying up late will naturally affect the next days performance

4、 in class.As far as Im concerned, different people have different habits. If you can hold it, its your own business when to study and when to sleep.与睡眠有关的英语演讲稿2Many people want to ask, what is the best time for sleep? Do we need to sleep early or late? My opinion is to sleep early. Here is the reaso

5、n why we should sleep early. First, it will make you more healthy. Sleep late would cause illness, long time not sleeping early will damage your body. Second, many people had said that if you dont get many time to sleep, and you sleep late would make black rim of the eye. That is not healthy also, a

6、nd its not beautiful. We should give our body a rest. Sleep is the best way. Well, there are certain time that is best for us to sleep. Sleep early is definitely better than sleep late. Also, we should not keep awake the whole night. You dont feel the damage when you are young, but when you get olde

7、r, the problem start to appear. Many disease of heart and lung started from not sleep at night. Many youth think it is fun to keep awake or sleep late. But I dont think so. Keep your body healthy. I strongly suggest to sleep early.与睡眠有关的英语演讲稿3Staying up late will be detrimental to human health, beca

8、use the adrenal cortex hormone and growth hormone are all secreted during the night when people are sleeping. The former is secreted before dawn, which can promote the metabolism of carbohydrate in human body, and protect the development of muscle; while the latter is produced only after sleep, whic

9、h can not only promote the growth and development of young people, but also can delay the aging process of the elderly. As a result, staying up late will cause a variety of harms to human body.First, frequent fatigue and decreased immunityThe most serious sequence caused by staying up late is fatigu

10、e and lack of energy. Whats more, the immunity of human body will decrease accordingly. And some other symptoms such as cold, gastrointestinal infections, allergies will also appear.Second, headacheThe next day after staying up late, you will suffer from headache when you are at work or at class. Yo

11、u will be unable to concentrate. Whats more, long-term staying up late and insomnia will also bring invisible damage to our memory.Third, dark circles and puffinessNight is the time for human body to have a good rest. Without adequate rest, you will feel extremely tired, which will lead to poor bloo

12、d circulation around the eyes, causing dark circles or blood streak in the white of the eye.Fourth, dry skin, dark spots and acneThe period between 11:00 pm to 3:00 am in the next day is the beauty time, and it is also the time for the meridians in human body to move to gall bladder and liver. If th

13、ese two organs do not have adequate rest, it will be reflected on the skin. So some problems such as roughness, yellowish face, dark spots and acne will appear. Whats worse, long-term staying up late will slowly cause some neurological and psychiatric symptoms such as insomnia, forgetfulness, irrita

14、bility, anxiety and so on.Fifth, affecting fertilityFor the men and women of childbearing age, if they always stay up late, it will not only affect the motility and quantity of male sperm, but also will affect the secretion of female hormone and the quality of ovum, and it is also likely to influenc

15、e the menstrual cycle.Sixth, increasing the probability of getting some chronic diseasesPeople who staying up all night always have higher secretion of adrenaline than the average person, which will increase the pressure on metabolism, and thus leading to some chronic diseases, such as hypertension

16、and diabetes.Whats more, there are also other harms caused by staying up late, such as poor eyesight or dysfunction of the liver. We should pay special attention to these bad effects, and try not to stay up late at night.与睡眠有关的英语演讲稿4Today more and more students are inclined to stay up at night.They

17、enjoy the night so much that they dont go to bed until deep into the night or even until the next morning.Hower that would do harm to their health.Students who usually stay up can get tired the next day and they often sleep in class.They cant listen to the teachers heart and soul.As time goes on,the

18、y will do bad in their study ,and will be poor health.For these reasons,I would like to advise those students who are staying up not to do that again!You should go to bed before 11 in the evening.Will you take my advice?与睡眠有关的英语演讲稿5Do you always work or study until midnight?Do you often hang out or

19、spend much time in pubs at late night?If you answered yes to either of these questions, you are unfortunately one of the large groups of people who always stay up late. Because of the fierce petition in the society, it seems that everyone has endless work to do and twenty-four hours per day is not e

20、nough. Therefore, an increasing number of people stay up late in order to finish the mountainous work. Besides, lots of young people enjoy entertaining at late night. However, many of them are still not aware of the bad effects of staying up late. In fact, it does severe harm to us in three aspects,

21、 namely physical health, work efficiency and mental stress.In the first place, staying up late badly impacts on our physical health condition. The human adrenal cortex hormone and growth hormone, which are vital substances for human body, only secrete at night. The former secretes before the dawn fa

22、cilitating the carbohydrate metabolism and protecting the development of muscle function. The latter only secretes after sleeping. It can improve the growth of the young and slow down the aging of the elderly. However, if people often stay up late, the secretion of these two substances will be grave

23、ly impacted. Finally, our health condition will be degraded. It can cause a variety of harms to human body. Normally, frequent staying up late will lead to fatigue and degraded immunity. People may easily get sick when the weather gets a little bit colder or hotter. In addition, it can also cause he

24、adache. People may feel heavy in the brain and dizzy for a whole day. Besides, the fertility of both male and female will be impacted. For women, it will affect the secretion of female hormones and the quality of ova. It also tends to affect the menstrual cycle. For men, both the quality and quantit

25、y of sperm will be impacted. What is more, staying up late can also damage peoples eyesight, skin and memory capacity, and cause black eyes as well.Furthermore, it negatively impacts on the work efficiency. On the one hand, owing to the disfort of your health as mentioned above, you may feel distrac

26、ted from the work. On the other hand, because of the decrease of the memory capacity, your work efficiency will be lower, which means that you may not plete the things as you want. Assume that you are a university student and you plan to review for your psychology examination next week after tomorro

27、ws class. Nevertheless, you stayed up late yesterday for some reason. Therefore, you probably be late for tomorrows class or even skip it. Thus, you must find other time to pensate for it. Afterwards, when preparing your examination, you may feel headache and cannot concentrate on it, thus having di

28、fficulty memorizing and understanding the psychological terms and principles. Therefore, your schedule for reviewing chapter 2 and chapter3 will be changed. You can only review chapter 2 and may not finish chapter 3. However, in order to finish reviewing on time, you are more than likely to stay up late again. Then, you will be in the vicious cycle and your work efficiency will be lower and lower.What is also noticeable is that staying up late can bring about mental stress.