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熬夜的危害英語優(yōu)秀作文
在平平淡淡的日常中，大家對(duì)作文都再熟悉不過了吧，借助作文可以宣泄心中的情感，調(diào)節(jié)自己的心情。怎么寫作文才能避免踩雷呢？下面是小編為大家整理的熬夜的危害英語優(yōu)秀作文，僅供參考，希望能夠幫助到大家。
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.
熬夜對(duì)人體健康有害，因?yàn)槟I上腺皮質(zhì)激素和生長激素都是在晚上睡覺時(shí)分泌的。前者是黎明前分泌的，能促進(jìn)人體碳水化合物的代謝，保護(hù)肌肉的發(fā)育；后者是睡眠后產(chǎn)生的，不僅能促進(jìn)年輕人的生長發(fā)育，還能延緩老年人的老化過程。因此，熬夜會(huì)對(duì)人體造成各種傷害。
第一，經(jīng)常疲勞和免疫力下降
熬夜造成的最嚴(yán)重的后果是疲勞和缺乏能量。而且，人體的免疫力也會(huì)相應(yīng)下降。還有一些其他癥狀如感冒、胃腸道感染、過敏也會(huì)出現(xiàn)。
第二，頭痛
熬夜后的第二天，當(dāng)你在上班或上課時(shí)，你會(huì)頭痛。你將無法集中精力。而且，長期熬夜和失眠也會(huì)給我們的記憶帶來無形的損害。
第三，黑眼圈和浮腫
晚上是人體好好休息的時(shí)間。沒有充足的休息，你會(huì)感到非常疲倦，這會(huì)導(dǎo)致眼睛周圍的血液循環(huán)不良，導(dǎo)致黑眼圈或眼白的血條紋。
第四，皮膚干燥，黑斑和痤瘡
次日晚上11：00到凌晨3：00是美容時(shí)間，也是人體經(jīng)絡(luò)向膽囊、肝臟運(yùn)動(dòng)的時(shí)間。如果這兩個(gè)器官?zèng)]有足夠的休息，就會(huì)反射到皮膚上。因此，會(huì)出現(xiàn)一些問題，如粗糙，臉黃，黑斑和痤瘡。更糟糕的是，長期熬夜會(huì)慢慢引起一些神經(jīng)和精神癥狀，如失眠、健忘、易怒、焦慮等。
第五，影響生育率
對(duì)于育齡男性和女性來說，如果總是熬夜，不僅會(huì)影響男性精子的活力和數(shù)量，還會(huì)影響女性荷爾蒙的分泌和卵子的質(zhì)量，還可能影響月經(jīng)周期。
第六，增加患慢性病的幾率
熬夜的人總是比普通人分泌更多的腎上腺素，這會(huì)增加新陳代謝的壓力，從而導(dǎo)致一些慢性疾病，如高血壓和糖尿病。
此外，熬夜還有其他危害，如視力不好或肝功能障礙。我們應(yīng)該特別注意這些不良影響，盡量不要熬夜。
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