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Both physically and mentally.
In fact, it doesn't matter how long you sleep, our classmates all say that the more you sleep, the sleepier you get.
I didn't feel anything, though, because I slept late at night when I went to school.
I was also very sleepy in my freshman and sophomore years of high school, and I slept as soon as I arrived at school, and I couldn't wake up, sometimes it was just the morning.
However, in the third year of high school, you must study hard and start to overcome it.
There are two reasons why I am sleepy at school, one is because I am seriously uncomfortable with the schedule, much earlier than in junior high school. One is that the amount of knowledge is very large, the conversion speed is fast, I don't pay attention to the lectures, and I don't listen to what the teacher says. It's tiring when the mind is always jumping.
Another point is that I woke up late, because my home is far away from the school, and I have to take the bus, so I get up and pack up and put on my clothes and go out to get in the car, and I can still be confused for a while in the car. People always think I'm going to fall asleep.
So, when I was in my junior year of high school, I woke up very early in the morning, made a cup of coffee (I didn't use coffee before), boiled water to make it instantly, waited until the water was cooler, and then went to school.
Breakfast should also be eaten well, I find that it is easier to get sleepy when I am hungry because I am more tired.
So I always arrive early, almost always the first few (sometimes first) in school.
When you just wake up from sleep, the blood supply and nerves of the brain can't be fully activated, and it takes time, so you must get up early to give the brain this time to start (a bit like a computer), and when the brain reaches an excited state, it is not easy to get sleepy.
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Sleep is our normal physiological activity, our body gets enough rest when sleeping, and each organ operates, its own role. Let us be able to work energetically the next day, too little sleep every day will cause a great burden on the body, affecting the normal work of various organs of the body.
Normal people should sleep for about seven hours a day, if they have their own good sleep quality, with an adapted rest and rest schedule, they can adjust to about six hours a day, but four hours is really too little, and the body can not get effective rest. We should ensure that the sleep time is two to three hours a day to make our work, study and life not affected, four hours to the eye tracking cycle, to the light sleep time, the deep sleep time is very short, about two sleep cycles, so that the body can not get effective rest will lead to a decline in immunity. The working condition deteriorates.
So we're going to take proper breaks. No matter how busy young people are with their studies, they must ensure normal rest, at least no less than six hours, because the sleep time is too short, the body can not get effective rest, our work, study and life will be very inefficient, and we feel that our brains are chaotic and cannot concentrate on anything?
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Not getting enough sleep. There are only two reasons.
One is embodied in the student class. Some of them write their homework too late. Inefficient learning.
The other is to stay up late and play games. This can only improve the efficiency of learning. Try to complete the assignment in a short period of time.
The other is that there is no other way to control the problem of game time.
The other one is not getting enough sleep. It's actually because of insomnia. This one is actually more troublesome. Laughing at a professional doctor, I recommend going to see a Chinese medicine doctor, the effect will be better.
In the long term, lack of sleep may lead to some major physical and mental problems, first of all, the pride is not good first, and then, the efficiency of doing things is relatively low, and it is easy to make mistakes.
Therefore, the lack of sleep should not be underestimated, whether this problem refers to subjective or objective, we must try to solve this problem, otherwise we must suffer in the future.
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It is usually not normal for patients to sleep only 4 hours a day.
Usually for some adults, it is advisable to get 7 to 9 hours of adequate sleep a day and to ensure the quality of sleep in order to fully recover the body. If the patient only sleeps 4 hours a day, for a long time, lack of sleep will lead to insufficient recovery of the brain and body, manifested as fatigue, drowsiness, lack of energy to do things during the day, etc., and memory will decline over time.
In addition to this, chronic sleep deprivation can also affect the patient's liver function and may lead to abnormal blood sugar and lipid metabolism or abnormal blood pressure increases. Therefore, it is recommended that patients ensure adequate sleep time and sleep quality in their daily life, and if it is difficult to ensure sleep time due to insomnia, they should go to a regular hospital for treatment in time. The time of deep sleep and light sleep is usually calculated as 8 hours of sleep per night, and it is normal for deep sleep to be about 2 hours and light sleep to be about 4 hours.
1.Deep sleep: For healthy adults, deep sleep accounts for about 15%-20% of the total sleep time. Deep sleep is the third stage of non-REM sleep, during which the EEG shows slow waves with high amplitude, so it is also called slow-wave sleep, and the quality of sleep is very high.
2.Light sleep: Light sleep accounts for about 50%-65% of the entire sleep time, is the first and second stages of non-REM sleep, and is an important component of the sleep process.
It is also not advisable to turn on the light, tilt your head or cover your head when sleeping. Patients are advised to drink some warm milk before going to bed and do more outdoor exercise during the day to improve sleep quality.
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If you don't get enough sleep, you're prone to physical fatigue, including eye discomfort. There may even be dizziness, headache, weakness in the limbs. Memory is declining and so on.
So be sure to go, and try to rest for a while during the day to replenish your sleep.
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Good long-term sleep can lead to neurasthenia, nervous headache, autonomic disorders, etc., which are very harmful to the body Guidance: It is recommended to pay attention to reducing the state of brain excitement, do gymnastics before going to bed, relax appropriately, avoid taking stimulant drinks (coffee, strong tea, etc.), smoking, brushing and scaling teeth, keep the mouth clean, and pay attention to improving the sleep environment, etc., which is conducive to reducing the state of brain excitement Relax the mind, take Qiye Shen'an tablets, Brain Lingsu Eleuthero Ann Granules, etc., and try to strengthen exercise during the day, and it will be better to sleep when you are tired.
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Lack of sleep will lead to lack of energy during the day, unable to lift the spirit, and feel that there is no energy to do anything...
Some people say that the normal rest time should reach about eight hours, as far as the current society is concerned, the pressure in all aspects is relatively large, most people have insomnia at night, and have to get up early in the face of work, often so there will be a cerebral neurasthenia, so rest is very important for our body. The best rest time is around ten o'clock in the evening, and then enter a deep sleep at about eleven o'clock, after entering eleven o'clock, the metabolism of the human body's internal organs is very vigorous, so try not to stay up late at night, and if you don't rest well at night, it is very necessary to make up for sleep at 12 o'clock at noon, so as to have the energy to face the afternoon work.
Personal insights, I hope it helps you!
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Weakness, dizziness, lack of concentration, poor complexion, normal sleep from 23:00 to 6:00.
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I'm the same as you, I play games a lot, I don't go to bed before 12 o'clock, you just get rid of the habit, it's a symptom of sleep deprivation.
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The metabolism of various organs of the body has different metabolic times! It's best to go to bed at 9 p.m. It's best for your body!
Why? Because you feel cold yourself!!
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Actually, you've slept enough.
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No, it's overwork, and it will be fine in a few days.