请帮忙写一篇英文作文

发布网友 发布时间：2022-04-22 16:23

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热心网友 时间：2023-09-20 05:50

And all animals, people must ensure that the most basic physiological needs, the so-called "eat or drink Lasa sleep," the life of nearly one-third of the time spent on sleep, visible to us how important sleep. For this reason, some people say: Sleep is to use the day 1 / 3 of time repairing the soul activities.
The sleep of two parts: the rapid eye movement and non-eye movement sleep speed. Human sleep is divided into two very important part of sleep when the eyelids when the bottom of the two eyes showing a swing around the rules of such special sleep known as rapid eye movement sleep. Another sleep very quiet, eyes fixed sleep, we called non-rapid eye movement sleep. The two sleep cover a variety of health function, staggered throughout the night regularly carried out, sleep medicine called sleep cycle. One evening there will be 4-5 times the sleep cycle, non-rapid eye movement sleep in the maintenance of more Qianban Ye, Hou Banye little, but rapid eye movement sleep to Houban Ye is more and more.
Non-speed eye movement sleep in Qianban Ye more, mainly by ordinary people After a day of behind us and great intellectual Xiao Mao, brain cells and brain tissue is pressure and injury, biological clock will ince us to sleep, the brain Temperature lowered into the maintenance phase, which is very important to maintain life. Hou Banye rapid eye movement sleep will sleep more, it is relevant to the work and learning, when the day has undergone many are good or bad regardless of the scenery, have included memory, speed and eye movement sleep includes learning new things, Integration of the day, such as emotional role.
People go to sleep, the body showed muscle relaxation, and some behavior and physiology will change accordingly. Sleep when the temperature will drop, will increase growth hormone, adrenal cortex hormones, and so on will be reced. Once sleep problems, these hormones will have to change, bring some of the body affected to varying degrees, the same, when changes in hormones, will also affect sleep.
Sleeping in a period of general decline in blood flow, slow breathing, muscle relaxation, unconscious body rotation, which is a non-rapid eye movement, eye Dongyebudong, one night about 3 / 4 this is the time to fully rest The period when a person is sleeping in the eyes of the rotation, this stage is a dream for is the rapid eye movement, this time in addition to muscle relaxation, with the rest of the state ring the day when sober, such as high blood pressure, penile erection And so on will happen.
Sleep structure will change with age. Infancy to 10-year-old juvenile period, the rate of non-rapid eye movement and eye movement sleep about 50:50, which represents the infant brain mature very quickly, the high level of activity, the study of a strong, and the speed of learning and memory Eye Movement sleep will account for more. After 10 years of age between the two sleep ratio stabilised, rapid eye movement sleep about sleep a day of the fourth time, and Hou Banye appeared in more than speed eye movement sleep accounted for three quarters. To the elderly in the 60-year-old, the rate began to rece eye movement sleep, in addition to representatives of the physical aging of the brain, learning activities have begun to weaken down, but also means that the elderly less motivation to learn, their brains more dynamic得不. Different age groups have different sleep needs, when a certain part of the problem, that is, there may be revealing personal inherent physical and mental illness, or because of sleep problems began after the long run will have an impact on the physical and mental.
Richuerzuo, Sunset and interest rates, fixed in time for sleep, wake up in a fixed time, the human biological clock that is a part. The central body temperature of human activities on behalf of the brain: from the early morning 6:00 bell, the human brain temperature will graally rise, the afternoon of relaxation, and then continue to increase, the highest point of the evening, and then in the dark at night 2, Three hours begin to decline until the early morning of the day in the minimum temperature of the brain, this is the so-called central body temperature. Such temperature changes in the brain is actually the performance of brain activity, such as watches and clocks, the same can tell people when to sleep, when to wake up. Human brain is external, internal command important, as long as it is clear the people, will not be able to stop the brain activities. And representatives of the brain temperature
From the brain to wake up the morning after the activity, temperature graally rose, show that more and more activity, arrived in the evening when the brain is the most Kangfen activities, at this moment to remind mankind should enter the brain tone the time. If the brain can not be appropriate to rest, may give rise to many physical and psychological problems.
What people should be sleeping number Caigou » Life for the ration of sleep, with the age differences are natural changes, from a baby ring the night Yio, a day to nearly 16 hours of sleep; youth, Tiaodeng night reading, to meet a series of examinations, the need 8 to 9 hours; wake up to old age more than the average less sleep six hours.

热心网友 时间：2023-09-20 05:50

To keep a healthy lifestyle, I usually have 8 hours of sleep everyday and try my best not to stay up late, because this way I can get up earlier to breath some fresh air outside. I eat a lot of vegetables and fruits, and eat meats as little as possible, to keep a balanced diet. And, I try to drink a lot of water, and take least amount of stress from work; good rest warrants efficiency and proctivity. Breakfast is especially important. Because I skipped breakfast all the time, I used to have stomach problems.

热心网友 时间：2023-09-20 05:51

The Way To Keep Healthy
Health has become a very important part of our life,and there are many ways to keep heathy.
First,you can eat more fruit and vegetables,and you'd better drink more warn water.Next,you have to do lots of exercise.And having at least 8 hours'sleep a night.Remember,don't drink coffe or tea before you go to bed,don't eat too much sugar and don't work or study too late,it will make you too tired.
If you care about yourself, it's easy to have a healthy lifestyle.

热心网友 时间：2023-09-20 05:51

To keep healthy,I always keep up sleeping for less than eight hours.I didn't stay up to late if it is possible,for I could wake up early breathing fresh air outdoor.Instead of too much meat,I ate a planty of fruits and vagetables in my daily life,in order to keep the balance of nutrient.And drink more water,not be too tired about work,I could do the better in my work within better rest.Breakfast has played one important part in daily life,I had got some stomach problems with on breakfast everyday.