Why do people feel very tired after a long nap?

If you sleep too long and enter a deep sleep, your body functions will decline, your blood circulation will slow down, and you will often have insufficient cerebral blood supply, sluggish limb control, and numbness and weakness when you wake up due to insufficient blood supply.

Because the nap time is too short, the body has not yet entered a deep sleep, so when you wake up, you will feel tired.

It is recommended that the nap is about 1 hour is the most appropriate, and a long nap leads to the disruption of the biological clock, and people's sleep is divided into two stages: light sleep and deep sleep, which is a cyclical cycle alternation. After falling asleep for more than 30 minutes, the average person will move from light sleep to deep sleep, when the inhibition process of the central nervous system of the brain deepens, many capillaries in the brain tissue are temporarily closed, the blood flowing through the brain tissue is relatively reduced, and the metabolic process in the body is gradually reduced.

Do you have a nap habit? Usually at work, after a busy morning, take a nap during the lunch break, which can not only relieve fatigue, but also help to restore energy. Some people also take long naps because of their long lunch breaks, but a long nap is not a good thing!

Why do many people feel more tired after taking a nap and have the feeling of not being able to sleep? That's because our sleep is cyclical. The first 30 minutes are classified as light sleep.

At this point, the muscles are relaxed, the heart rate decreases, and breathing becomes slow and flat. This is to prepare for the next stage and deep sleep. However, if you take too long a nap, you will fall into a one-hour sleep cycle.

If you get up in this cycle, your consciousness will be in a hazy state.

After lunch, most of the body's blood is concentrated in the digestive system to help the absorption and exchange of nutrients, so the blood in the brain will decrease accordingly, which makes it easy for us to get sleepy. In fact, this time is not suitable for sleeping immediately, because resting at this time will reduce the blood supply to the brain, resulting in dizziness and weakness after waking up. After eating, you should take a break and then take a walk, which will help you burn off excess fat and ensure the quality of your nap.

It's best not to sleep too long at noon. It should be controlled within half an hour, and 25 minutes is the best choice. If the nap time is too long, the human body will enter a deep sleep, so that when you wake up, you will be very tired, and the more you sleep, the more tired you will become.

A 25-minute nap is a great deal and can increase productivity by 34% and brain flexibility by 54%.

People who took less than 60 minutes of naps did not have an increased risk of cardiovascular disease, while those who took less than 35-45 minutes of naps could compensate for the damage caused by lack of sleep at night and reduce the risk of heart disease. As long as the optimal duration of a nap is less than an hour, you can fully enjoy the benefits of napping. So having a nap is a good habit, a reasonable nap can improve work efficiency, say goodbye to sleepy afternoons, start with a nap.

Feeling tired when you take a nap for too long, and too much stress at noon is also the main reason for nap fatigue. Don't limit your time to more than an hour, which is the best nap time.

The nap time should be controlled within 30 minutes as much as possible, if the time is too long, it is easy to fall into a deep sleep, so that you will wake up very tired.

It may be because you sleep for too long and you are tired of sleeping, and you will be very tired, and the nap time is generally about 30 minutes.

After taking a nap for more than 30 minutes, the human body will enter a deep sleep, and some capillaries of the brain will be temporarily closed, and if this is woken up by an alarm clock, the brain nerves will be temporarily disturbed due to insufficient blood circulation.

Some people take a nap and get more tired the more they sleep, which may be related to the following factors:

Poor sleep quality: If you have a noisy environment or excessive fatigue during napping, it can be difficult to get rid of fatigue even after a while.

Sleeping too long or too short: Taking too long a nap can cause the body to fall into a deep sleep and wake up more sleepy. A short nap will not restore physical fatigue.

Circadian clock disorder: If the circadian clock is disrupted, it will be difficult for the body to adapt to the rhythm of the lunch break, which will also lead to more fatigue after a nap.

Generally speaking, a nap between 30 minutes and 1 hour is more appropriate, which can effectively relieve fatigue and improve work efficiency. If you need to take a long nap, it is best to do it in a quiet, dark environment, and maintain a good sleeping position.

Why do you take a nap every day, but you still feel tired in the afternoon? Because of the lack of sleep at night, so many people have the habit of napping, if you don't sleep at noon, you won't have the energy to work in the afternoon, but there is a phenomenon, that is, you have slept for a long time, but you don't feel good in the afternoon, the more you sleep, the more sleepy you feel, and you feel weak.

Napping is to improve the activity of the body, help improve the discomfort of the body, after being busy every morning, the body already has a feeling of fatigue, and after a break at noon, the body can be rejuvenated and more energetic. The reason why many people get sleepier the more they sleep is actually because they sleep too much, and for normal people, it is not appropriate to take more naps every day.

<> if you sleep for too long, more than 40 minutes, the body will be immersed in sleep, all parts of the body will relax, if you are suddenly awakened, the body can not recover, there will be listlessness, lack of energy, some people get up and out of breath, more likely to have bad mood, then the work efficiency in the afternoon will decline. I also want to remind everyone that you should pay attention to controlling the time when taking a nap, it is not recommended to sleep too long, almost control it in about half an hour, the body has a buffer time, and you can also get rest, and people who insist on taking a nap every day will be in better health.

Even if you take a 10-minute nap every day, your eyes can be rested, especially for those who work in front of the computer, and take a break at noon to relieve eye fatigue, which is also helpful for improving your eyesight. And after a short period of mental relaxation, you will be more energetic and more productive in the afternoon. Napping also has a certain effect on the elimination of nervous emotions, work pressure, people's nerves are tight, the burden on the brain increases, if you keep half an hour of rest every day, there is a soothing effect, the pressure in the body will also be released, help to eliminate tension.

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Weakness and weakness after napping are likely to be due to the following reasons: 1. Lack of oxygen, the air in the room is not circulated during napping, the oxygen content is not enough, and the body will be weak and weak after waking up from lack of oxygen. 2. Sleeping in the wrong position, such as sleeping on the stomach and compressing the chest cavity, poor breathing or compression of the head nerves will also lead to drowsiness and weakness after waking up.

3. Suffering from hypokalemia and hyponatremia, similar phenomena occur when waking up from a nap. Fourth, the nap time is too long, resulting in deep sleep, and it takes a certain amount of time to wake up to return to normal, and this process will also be manifested as weakness and softness.

Taking too long a nap can lead to exhaustion, and too long a nap can cause the body to fall into a deep sleep. The nap time needs to be controlled to about 30 minutes.

It may be related to your sleeping position, it may be that you are too full, you may be sleeping for too long, or it may be a lack of oxygen to your brain. Be sure to control the time you sleep, pay attention to the ventilation in the room, try not to wear too many clothes, and don't cover too thick quilts.

It may be that you have slept for too long, it may be that the air is not circulating, it may be that you are lacking oxygen. Be sure to control the time you sleep, try not to exceed 40 minutes, and at the same time replenish water in time, and pay attention to indoor air circulation.

As we all know, in our lives, many people have the habit of napping, but the nap time must not be too long, too long will still have a certain impact on our body, and the longer the nap time, the more tired the body will feel.

First of all, we need to know that proper napping has many benefits for our body, and according to research, the length of napping time does not directly affect lifespan, but napping can reduce the incidence of some diseases. Half an hour of napping every day can give our body organs enough rest and can also reduce the frequency of heart attacks. However, if the nap time is longer, it will affect the metabolism of our body, which may cause the aggravation of abnormal glucose metabolism and other problems in the body, and our probability of suffering from diabetes is very high, and it will also make our body feel very tired, and we have no energy in the afternoon work.

As we all know, the nap time is generally half an hour to an hour, if the sleep time is too long, the central nervous system of the brain will cause the brain tissue capillaries to close for too long, so that the metabolic process in the body slows down, resulting in general discomfort and tiredness after waking up.

At the same time, many people generally go to bed immediately after lunch, which is actually a wrong approach, the nap time should be about half an hour after the meal and then continue to sleep, because at this time we have eaten more food from the stomach and intestines, the gastrointestinal peristalsis is strengthened, and the blood circulation is accelerated.

Although napping is very good, we should also pay attention to the method, especially after eating, we must not go to sleep immediately, immediately sleeping has a very great impact on our body and is not conducive to our growth and development.

The main reason is that taking a nap for too long will put the body into a dormant state, so it will feel very tired.

Because the longer you sleep, the more your brain will fall asleep, and it will be difficult to wake up, and you will feel very tired and tired.

Because the noon time is not suitable for sleeping, the longer you sleep when you go to bed at noon, the worse your spirit will be.

If the lunch break is too long, and the light sleep turns into deep sleep and then wakes up suddenly, the deep inhibition process in the cerebral cortex cannot be lifted immediately, and the closed capillary network cannot be opened immediately, which will inevitably cause a transient blood supply to the brain, that is, the function of the autonomic nervous system is temporarily disordered, and the human body will feel very uncomfortable and tired.

Napping is a scientific adjustment of the body's biological clock, not all kinds of naps can achieve the purpose of rest, should pay attention to the following points:

One taboo: the longer the nap, the better.

The nap time should be half an hour to an hour, and if you sleep too much, you will feel very uncomfortable when you wake up due to deep sleep. If this happens, move properly after waking up, or wash your face with cold water and drink a glass of water, and the discomfort will disappear quickly.

Two taboos: take a nap with the encounter.

You can't just lie down and sleep in the hallway, under the shade of trees, on the grass, on the concrete floor, and don't take a nap in the wind or at the vent. Because the function of the body temperature regulation center decreases during sleep, the severe ones get colds, and the mild ones wake up unwell.

Three taboos: sitting or napping on your stomach.

Due to the constraints of conditions, many people sit or lie on the edge of the table to take a nap, and form the habit of sitting or lying on the stomach for a lunch break for a long time, which is extremely unfavorable to physical health. Lying on the edge of the table and taking a nap will compress the chest, affect breathing, make the arms numb, and fail to achieve the purpose of allowing the body to get a rest.

Four taboos: Everyone needs a nap.

Napping is not needed by everyone, as long as the body is good and the night sleep is sufficient, not taking a nap generally does not affect the health of the body. However, napping is necessary for those who are engaged in mental work, primary and secondary school students, the infirm and sick, or the elderly.

If you sleep for too long, you are prone to such a situation, so remember to set a time for yourself next time you take a nap