熬夜危害初中英语作文
导语熬夜的弊端有得多，可是当代年迈人的生活节拍，总是LOVE夜晚很晚睡觉，这样的生活门径，不只是戕害身体康健，更遭罪的便是肌肤，下面是小编为大家整理的'熬夜危害的英语作文，希望对大家有所帮助。更多相关的知识，请关注CNFLA学习网!
1熬夜英语小作文
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.
2熬夜危害初中英语作文
Today more and more students are inclined to stay up at night.They
enjoy the night so much that they don't 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 can't listen to the teachers heart and soul.As
time goes on,they will do bad in their study ,and will be poor health.
3熬夜危害初中英语作文
Many 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 reason 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 don't get many time to sleep, and you sleep late would make black rim of the eye. That is not healthy also, and it's 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 don't feel the damage when you are young, but when you get older, 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 don't think so. Keep your body healthy. I strongly suggest to sleep early.
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