高中作文范文-熬夜的危害英语优秀作文三篇

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1、精选优质文档-倾情为你奉上高中作文范文-熬夜的危害英语优秀作文三篇熬夜的危害Staying up late will be detrimental to human health, because 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 b

2、ody, and protect the development of muscle; while the latter is produced only after sleep, which 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, frequ

3、ent fatigue and decreased immunityThe most serious sequence caused by staying up late is fatigue 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 nex

4、t day after staying up late, you will suffer from headache when you are at work or at class. You 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

5、a good rest. Without adequate rest, you will feel extremely tired, which will lead to poor blood 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, a

6、nd it is also the time for the meridians in human body to move to gall bladder and liver. If these 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

7、slowly cause some neurological and psychiatric symptoms such as insomnia, forgetfulness, irritability, 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 af

8、fect the secretion of female hormone and the quality of ovum, and it is also likely to influence 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 increa

9、se the pressure on metabolism, and thus leading to some chronic diseases, such as hypertension 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 u

10、p late at night.熬夜对人体健康有害，因为肾上腺皮质激素和生长激素都是在晚上睡觉时分泌的。前者是黎明前分泌的，能促进人体碳水化合物的代谢，保护肌肉的发育；后者是睡眠后产生的，不仅能促进年轻人的生长发育，还能延缓老年人的老化过程。因此，熬夜会对人体造成各种伤害。第一，经常疲劳和免疫力下降熬夜造成的最严重的后果是疲劳和缺乏能量。而且，人体的免疫力也会相应下降。还有一些其他症状如感冒、胃肠道感染、过敏也会出现。第二，头痛熬夜后的第二天，当你在上班或上课时，你会头痛。你将无法集中精力。而且，长期熬夜和失眠也会给我们的记忆带来无形的损害。第三，黑眼圈和浮肿晚上是人体好好休息的时间。没有充足

11、的休息，你会感到非常疲倦，这会导致眼睛周围的血液循环不良，导致黑眼圈或眼白的血条纹。第四，皮肤干燥，黑斑和痤疮次日晚上11：00到凌晨3：00是美容时间，也是人体经络向胆囊、肝脏运动的时间。如果这两个器官没有足够的休息，就会反射到皮肤上。因此，会出现一些问题，如粗糙，脸黄，黑斑和痤疮。更糟糕的是，长期熬夜会慢慢引起一些神经和精神症状，如失眠、健忘、易怒、焦虑等。第五，影响生育率对于育龄男性和女性来说，如果总是熬夜，不仅会影响男性精子的活力和数量，还会影响女性荷尔蒙的分泌和卵子的质量，还可能影响月经周期。第六，增加患慢性病的几率熬夜的人总是比普通人分泌更多的肾上腺素，这会增加新陈代谢的压力，从而

12、导致一些慢性疾病，如高血压和糖尿病。此外，熬夜还有其他危害，如视力不好或肝功能障碍。我们应该特别注意这些不良影响，尽量不要熬夜。熬夜的危害Today more and more students are inclined to stay up at night. They 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 u

13、sually 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, they will do bad in their study, and will be poor heal th.For these reasons,I would like to advise those students who are staying up not to do that again! You sh

14、ould go to bed before 11 in the evening. Will you take my advice?今天越来越多的学生倾向于熬夜。他们非常享受夜晚，直到深夜甚至第二天早上才上床睡觉。那会对他们的健康有害。通常熬夜的学生第二天会很累，他们经常在课堂上睡觉。他们不能全心全意地听老师讲课。随着时间的流逝，他们会在学习中表现不佳，而且会很难治愈。由于这些原因，我建议那些熬夜的学生不要再那样做了！你应该在晚上11点以前睡觉。你能接受我的建议吗？熬夜的危害Nowadays，many young people like to stay up，because there are

15、a lot of night activities that attract them.As these young people work in the office in the daytime，so they need to hang out and find some fun at night，which leads to stay up.Recently，a 26 years old girl was diagnosed with cancer.When she got to know it，she just couldnt believe it.As she was young a

16、nd beautiful，the fate must play joke on her.She started to take a look back at her passed days.She overworked and always stayed up.How regretful she was.If given chance again，she would not stay up.Young people believe that as they are young so they can ignore these problems.Staying up is like committing suicide gradually，for health，sleep early.如今，许多年轻人斗都喜欢熬夜，因为晚上有很多吸引他们的活动。由于这些年轻人都是白天在办公室工作，所以他们需要晚上出去寻找乐子，从而导致熬夜。最近，一个26岁的女孩被诊断出患有癌症时，她简直不敢相信。她还那么的年轻美丽，命运一定是在捉弄她。她开始回顾过去的几天。她很累却总是熬夜。她很后悔，如果再给她一次机会，她一定不会再熬夜了。年轻人总是认为他们还年轻人，所以可以忽略这些问题。熬夜就像慢性自杀，为了健康，早点睡吧。专心-专注-专业