熬夜的危害英语优秀作文

时间：2024-02-17 06:58:32 英语作文我要投稿

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熬夜的危害英语优秀作文

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熬夜的危害英语优秀作文

　　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 body, 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, frequent fatigue and decreased immunity

　　The most serious sequence caused by staying up late is fatigue and lack of energy. What's more, the immunity of human body will decrease accordingly. And some other symptoms such as cold, gastrointestinal infections, allergies will also appear.

　　Second, headache

　　The next day after staying up late, you will suffer from headache when you are at work or at class. You will be unable to concentrate. What's more, long-term staying up late and insomnia will also bring invisible damage to our memory.

　　Third, dark circles and puffiness

　　Night is the time for human body to have 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 acne

　　The 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 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. What's worse, long-term staying up late will slowly cause some neurological and psychiatric symptoms such as insomnia, forgetfulness, irritability, anxiety and so on.

　　Fifth, affecting fertility

　　For 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 influence the menstrual cycle.

　　Sixth, increasing the probability of getting some chronic diseases

　　People 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 and diabetes.

　　What's 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.

　　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