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Yes, but the tolerance for caffeine also accounts for a large part.
I sometimes have 4 cups of cappuccino and 1-2 cups of single products a day, and I still sleep soundly. (I'm a barista.) Probably used to it)
But a friend of mine, let alone drinking coffee or tea, may not be able to sleep at night when he drinks Coke.
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Drinking coffee at the wrong time or in large quantities may cause you to be unable to sleep. Coffee contains caffeine, and caffeine can excite the central nervous system, most people will feel refreshed and energetic after drinking coffee, and at the same time, it will be difficult to fall asleep because of the stimulant effect of caffeine.
The metabolism of caffeine takes time, and the metabolic half-life is 4-6 hours, that is, after drinking coffee for 4-6 hours, half of the caffeine is still left in the body. If you drink coffee in the morning, after a day, the caffeine is almost catabolized by the body, and it generally does not affect your sleep at night. However, if you drink coffee in the afternoon or evening, the caffeine in the body cannot be completely metabolized, which is likely to affect your sleep at night.
If you drink a lot of coffee throughout the day, by the time you go to bed at night, the coffee in your body is usually not completely metabolized, which may also cause you to have trouble sleeping.
Due to each person's genetics, acquired environment, and coffee preference and lifestyle habits, each person's sensitivity to caffeine and metabolic ability are different. Some people have insomnia at night no matter what time of day they drink coffee, or no matter how much coffee they drink, and there are also people who drink coffee at any time, or drink a lot of coffee, which does not have much effect on sleep. But for most people, in order not to interfere with sleep at night, it is best not to drink coffee after 2-3 o'clock in the afternoon.
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The pace of modern life is getting faster and faster, and it has become the norm to stay up late and stay up all night. But after all, the human body is not iron-beaten, and it cannot maintain an energetic state for a long time. On the one hand, I am not mentally good and cannot concentrate on work.
On the other hand, the tasks assigned by the leader, you must complete before the deadline. What to do? Is there any way to refresh yourself?
Coffee is a cost-effective choice. A cup of ordinary coffee, a few tens of yuan. If you're going to buy bagged coffee, a cup of coffee costs a few dollars, which is cheaper than milk tea.
Moreover, the taste of the coffee is bitter and sweet, and it is delicious. There are many types of drinks on the market, but there are relatively few that are delicious and refreshing. Some people may say that you can choose to drink tea, which is healthier and has a good refreshing effect!
But many people don't like to drink tea and don't like the taste of tea. The taste of coffee is more popular than tea.
However, excessive coffee consumption is also ***. The caffeine in coffee can have a refreshing effect, but if you drink too much coffee, it may cause the human body to be in a state of extreme excitement, resulting in insomnia, so if you don't want to be bothered by insomnia, I hope you can control the amount of coffee you drink.
Excessive intake will lead to excessive gastric acid secretion, and a large amount of gastric acid accumulates in the human stomach can easily erode the gastric mucosa, and in severe cases, it may also increase the risk of gastritis and gastric ulcers.
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Drinking too much coffee can cause insomnia, because coffee is an excitatory drink, caffeine has the effect of stimulating the brain, drinking too much can make the brain in an active and excited state for a long time, which can easily affect the quality of sleep or cause difficulty falling asleep. If you have difficulty falling asleep, you can listen to some soothing **, soak your feet in hot water and massage the Yongquan acupoint. Do not exercise vigorously, avoid crankiness, and take calming and sedative drugs for frequent insomnia.
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Under normal circumstances, drinking coffee during the day will not affect sleep at night, but if you drink coffee at night, it will have a direct impact on sleep, which will make people excited and unable to sleep!
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There is caffeine in coffee, and drinking too much will cause insomnia, and caffeine is refreshing, so don't drink coffee at night, or it will not be easy to fall asleep.
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It is sure to cause insomnia. Coffee is inherently refreshing, and when you are sleepy, drinking coffee can effectively improve your mental state. If you like to drink coffee and drink it often, it will definitely affect your sleep.
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For coffee, drinking too much will definitely cause insomnia at night because coffee contains caffeine. If you drink too much, it is easy to get your nerves excited at night and make it difficult to fall asleep.
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Yes, coffee contains exciting ingredients, and drinking a lot of coffee, especially at night, will make people sleepless and cause insomnia.
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Yes, because coffee contains substances that excite the nerves, which have a refreshing effect, you will not be able to sleep at night, and even cause insomnia, so it is best not to drink coffee at night.
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If you drink too much coffee, you will have insomnia at night, because coffee has a refreshing effect, and if you drink too much, you will not be able to sleep at night.
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If you drink too much coffee, you may have insomnia at night, because coffee contains stimulant substances, if you drink too much, it may not be easy to fall asleep at night, especially for people with poor sleep, then with the effect of coffee, it may be difficult to fall asleep.
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Drinking too much coffee can cause insomnia, and many people will drink coffee to refresh themselves when they are not mentally riding, because it contains caffeine, and if you drink too much coffee before going to bed, it is easy to feel excited, and then you will have insomnia.
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Yes, coffee has a refreshing effect, which can easily affect sleep and lead to insomnia. So, in the evening, be sure to drink less coffee and less strong tea.
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Can You Drink Coffee At Night We all know that coffee contains caffeine, and caffeine has a refreshing effect, but if you drink coffee in large doses for a long time, the concentration of caffeine in the body is too high, and the body's metabolism will be faster. Don't think that fast metabolism is necessarily a good thing, if the metabolism in the human body is too fast, the consumption of vitamin B will also increase, so that there may be a situation of nerve and muscle coordination, and people are more likely to get tired. Caffeine is also diuretic, many people feel this way, and the frequency of going to the toilet after drinking coffee is also very high, and it is also more likely to occur thirst and other dehydration conditions, which is not good for the body.
What to eat to stay up late to refresh 1, fruit refreshment watermelon, raw tomatoes, pears, bananas, etc., it is best to eat these after being chilled in the refrigerator. Fruits can help the body absorb more vitamins, etc., which can not only refresh the mind, but also alleviate the negative impact of staying up late on the human body. 2. Red Bull Red Bull is rich in vitamins, and after the body is overtired, it can absorb some vitamins from Red Bull, which can supplement some nutrients in the body, so in the case of overwork, drinking Red Bull can help everyone refresh.
3. Apple juice People often say, one apple a day, the doctor stays away from me, although we may not be able to eat apples when we stay up late, but we can squeeze some fresh apple juice or some apple drinks to drink when staying up late. This is because apples are rich in nutrients, which can promote bowel movements, can effectively prevent arteriosclerosis, people who stay up late for a long time will have different degrees of endocrine disorders, constipation, **worse, ugly complexion, drinking more apple juice can also effectively alleviate these conditions. 4. Vitamin C drink Vitamin C itself has some sour taste, and you can hold vitamin C at night, which can keep people's nerves in a state of tension, so it can play a refreshing role at this time.
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Drinking too much coffee will affect sleep, coffee is usually made of coffee beans, and coffee beans contain caffeine and other Chenwei, caffeine is a xanthine base biochemical, compound compound, can always be poked in an excited state, but also can improve fatigue, improve nerve excitement, both to drive away drowsiness, refresh the mind, therefore, more sensitive to caffeine flowers and then drink a bowl of coffee may cause insomnia, it is generally not recommended to cooperate at night, drink coffee before going to bed to avoid the card fee is difficult to fall asleep, This affects the normal sleep rhythm.
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Coffee may affect sleep, so don't always drink coffee before going to bed, after drinking too much coffee, it will also have a certain impact on the body, usually I recommend that you can drink some hot milk before going to bed, which can help improve sleep quality. q
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Drinking too much coffee will affect the quality of sleep to varying degrees, which is not only the effect of coffee "refreshing", but also the excessive introduction of coffee that leads to excessive water intake, resulting in the inability to fall asleep peacefully because of the feeling of holding urine during sleep. A small number of people who drink coffee experience increased reflux of stomach acid into the esophagus, and have discomfort such as "heartburn" and difficulty falling asleep.
When people are sleepy, the body will produce a large number of glands to combine with adenosine receptors, and people will become more and more sleepy, and coffee will not be able to work, which is why some people will still fall asleep when they drink coffee when they are sleepy. On the contrary, when people drink coffee when they are still in a good mental state, caffeine will replace adenosine and bind to adenosine receptors, making people mentally full.
The human body is very adaptable, when you can't sleep because of coffee for a long time, the number of glands and adenosine receptors will increase and combine, and the original amount of coffee will not have a refreshing effect, and people will be in a state of "half-dreaming and half-awake". Generally, drinking coffee is more or less like this, falling asleep, but not feeling sleeping.
In fact, not only does people who drink too much coffee excrete body fluids more often, as long as they drink too much water, this is not immediately discharged, and many times people will feel awakened when they fall asleep. If you wake up seven or eight times a night because of holding urine, the quality of sleep will definitely be affected to varying degrees after repeated waking up.
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Whether drinking coffee causes insomnia depends on the time of drinking coffee.
If you drink coffee in the morning, it generally does not cause insomnia, but it can also cause insomnia in people who are very sensitive, depending on the person.
And if you drink coffee after 3 p.m. or in the evening, it will basically cause insomnia.
For people who are not sensitive to coffee, drinking a cup of coffee in the morning can ensure that they are refreshed and awake very fully during the day, which will ensure better sleep quality at night.
Therefore, if you get up in the morning and drink coffee and wake up sufficiently, it will help all kinds of work and study, because the sleep debt during the day increases.
If you drink coffee between 3 p.m. and the evening, caffeine will significantly increase the excitability of the brain, and it will cause insomnia because it takes a certain amount of time for caffeine to be completely metabolized. Therefore, for people who are not sensitive to coffee, it is recommended to drink coffee in the morning and try to avoid drinking coffee in the afternoon and evening.
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I know it's best for everybody not to drink more than 2 drinks a day, but I don't know why.
When excited, the cerebral cortex is active and cannot rest, (as we talked about in biology class), which is why coffee and tea can cause insomnia, because coffee and tea contain substances that can excite the cerebral cortex.