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Under normal circumstances, adults need about 7-9 hours of sleep a day, and if you sleep too much, it will reduce the excitability of the cerebral cortex, so that the cerebral cortex is in a state of inhibition, which will make people feel drowsy and listless. If you continue to increase sleep, the carbon dioxide in the blood will have a certain anesthetic effect on the human body, which will cause you to sleep more and more.
If you sleep for a long time every day, or even sleep for more than ten hours, then the reasons are roughly as follows:
First, it is considered to be caused by insufficient blood supply to the brain. Specific causes include spasmodic constriction of arterial blood vessels in the cervical spine, narrowing of the lumen of blood vessels, and blood circulation in the brain center due to blood insufficiency.
Secondly, the content of cholesterol or triglycerides in the blood increases, the blood viscosity increases, and the blood flow to the brain slows down, indicating a lack of blood supply.
In addition, ischemic infarction changes occur in the craniocerebral blood vessels, resulting in a disorder of blood supply to the brain.
All of the above factors can lead to increased sleep, and the symptoms of sleeping for more than ten hours a day will occur. It is advisable to make a clear diagnosis in a timely manner and give symptomatic treatment as soon as possible**.
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About one-third of a person's life is spent in sleep, which shows how important sleep is to everyone. In a sense, the quality of sleep determines the quality of life. But why should one sleep?
This problem has always been a problem that scientists want to solve once and for all. Recently, according to the British magazine "New Scientist", scientists have put forward several theories about the causes of sleep, ranging from the superficial theory of recuperation to the complex theory involving memory processing, and the human sleep has been comprehensively conducted. There are two completely different states of sleep:
Fast-wave sleep and slow-wave sleep, what exactly do they do? Scientists have found that sleep can be divided into two completely different states: one is called fast-wave sleep, and some people call this sleep state REM sleep.
As the name suggests, the eyes move very quickly during sleep, and the brain is also very active, and people dream during this period. The other state is called slow-wave sleep, which is the deepening of the first state, and the sleeper enters a deeper state of unconsciousness. Scientists have found that fast-wave sleep and slow-wave sleep work differently, and the two states also alternate during sleep.
Scientists agree that sleep rests the brain and cerebellum. Animals need to sleep, whereas plants without brains don't; Some organs in the human body, such as the liver, do not rest. This suggests that sleep is a phenomenon specific to the whole brain, and that at least slow-wave sleep can allow the brain to repair the damage caused by free radicals.
Free radicals are by-products of metabolism and can damage the body's cells. Other organs can repair this damage by giving up and replacing damaged cells, but the brain cannot do so, and can only put people into a state of sleep, especially slow-wave sleep, so that human tissues can use this rare "leisure time" to carry out "emergency repair" operations. So what does fast-wave sleep do?
Some researchers have suggested that this is a supplement to slow-wave sleep as a supplement to the "preparatory actions" and "tidying actions" made by the brain before entering slow-wave sleep. However, some researchers disagree with this view, suggesting that fast-wave sleep may be related to early brain development, but scientists who hold this view have not found convincing evidence. Researchers have found that human sleep changes suddenly at the age of 20, and our daily routines are controlled by our biological clocks.
This cycle is generally 24 hours. But this also varies from person to person. People with short work and rest cycles belong to the "lark type", and they have the habit of going to bed early and getting up early; The other is known as the "night owl type", which is very active at night and wakes up very late in the morning.
Everyone's situation is different, some people are very sleepy, and some people sleep for a fixed time throughout the year, maybe it has something to do with their physique.
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1. The more you sleep, the lazier you become, which leads to a decline in intelligence.
Many people think that if you want to eliminate fatigue, you can rely on sleeping, and the more you sleep, the better the effect. In fact, this approach is very wrong. People who sleep for a long time will become lazy, and their bodies will have no strength at all like marshmallows, and even their intelligence will be affected by this.
After a night's sleep every day, the body's muscle tone will increase when we wake up in the morning, and the blood in the muscles will be "awakened" again to speed up, so that the bones and muscles are in a state of repair. And people who often sleep lazily miss this link, and they will feel very weak when they get up. And people who sleep a lot for a long time, the sleep center is always in a state of excitement, so that other nerve centers will be suppressed, which will cause the whole person to become groggy and listless.
2. Affect heart rate.
If we lie down and sleep for a long time, our heart is also in a state of rest, and if we do not get enough exercise for a long time, it is easy to cause irregular heart rate, and if this is the case for a long time, it is easy to lead to the occurrence of some heart diseases.
3. Cause respiratory diseases.
In our room, the air quality was the worst every morning because there was a lot of turbidity in the bedroom after a night's sleep. These unclean air are very bad for our respiratory tract, and those who often sleep with the door closed usually have less exercise, coupled with poor air quality, which will lead to frequent respiratory diseases such as colds and coughs.
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Falling asleep is something that everyone needs to do every day, and when sleeping, the flexible use of time allows the human body to rest, but nowadays some people have a disordered sleep time due to sleep time, and there will be a long sleep time, so what are the disadvantages of long sleep time?
What are the disadvantages of sleeping for a long time.
Fatigue easily. If it is in a dormant state for a long time, it will disrupt the endocrine of the human body, making people feel that the more they sleep, the more they want to sleep, and they will continue to slow down the basal metabolism of the human body, so that the muscle tissue fluid will not be able to show sufficient CO2 kinetic energy, causing the muscles to become more and more weak, and then feel tired.
Reduced work efficiency.
When the blood supply to the brain is insufficient and the oxygen production is insufficient, it will cause the sluggishness of logical thinking, and then reduce the work efficiency, and the excessive sleep time may make people feel dizzy.
Hurts the liver. The human stomach is always in an active state, when sleeping, although there will be a certain weakening when we sleep, but it will also consume the ingredients in our stomach, the normal sleep time is 6-8 hours, the ingredients in the stomach are generally consumed in this time range, if you fall asleep for a long time, the stomach does not get a meal, no ingredients can be digested and absorbed, and the gastric acid in the stomach is still in continuous metabolism, which will cause gastric acid to damage the gastric mucosa and then damage the stomach.
Memory loss.
In this case, the somatic specificity of the human brain will be reduced, the sleep center will be in an excited state for a long time, and other central nervous systems will be suppressed for a long time, and long-term sleep will have a certain impact on IQ, and then there will be memory loss.
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Sleeping too long may have physiological or pathological factors, as follows:
1. Physiological factors: 1. Lack of sleep due to various reasons some time ago, after conditional sleep, it is necessary to supplement sleep time, which belongs to the functional metabolism needs of the human body, so it may be in the future for a period of time, there will be a significant increase in sleep, and the sleep time will be prolonged. 2. Overwork, many people may have a significant prolonged sleep time during the overwork process.
It may be that the work is in a state of stress and sleep is not allowed, and after the completion of intense work, after the limbs are relaxed, there will be a significant increase in sleep time in a short period of time, which is also a compensatory manifestation of the body. 3. Diet, such as drunkenness after drinking, and significantly prolonged sleep time. 4. Taking medicine, many people may have insomnia or mental illness, after taking medicine, there are highly sensitive drugs, and the sleep time will be significantly prolonged;
2. Pathological factors: brain diseases, vascular diseases, tumors, encephalitis, and encephalopathy caused by other organs, such as hepatic encephalopathy, pulmonary encephalopathy, and renal encephalopathy. At a certain stage, it will cause a significant prolongation of sleep time, which is a kind of consciousness disorder, belongs to the category of drowsiness or lethargy, and is a more serious neurological complication.
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There are two conditions of long sleep, one is physiological and the other is pathological, which are as follows:
1. Physiological situation: affected by genetics, living habits, as well as regional environment, seasons, weather changes and other factors, the sleep time can be slightly longer, for example, the normal sleep of adults is 8h, and some people may be 9-10h, this physiological change often varies from person to person, children, adults, and the elderly are not exactly the same, and different regions and seasons are not exactly the same. In short, although the sleep time is slightly longer, it does not affect the mental outlook of the next day, and you can engage in normal study, life and work;
2. Pathological conditions: for example, if there is an emotional disease, there will be a long sleep time but poor sleep quality, resulting in no energy, unable to achieve the role of rest and recovery, and unable to live, work and study well the next day, affecting physical and mental health, and low work efficiency. Brain diseases, such as ischemia and hypoxia of the brain, can also cause long sleep durations but are not very effective.
Systemic diseases, including severe anemia, cardiovascular diseases, endocrine diseases, digestive tract diseases, etc., can seriously interfere with normal sleep, making sleep for a long time, but the effect is not good. Such patients should seek medical treatment in a timely manner, appropriately use stimulant drugs, as well as apply physiotherapy, syndrome differentiation and treatment methods of traditional Chinese medicine, so that patients can treat the cause of the disease at the same time, early detection, early detection, and good prognosis.
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Haha, no problem, see if there is a fire, the fire will be like this, it's not a problem, it's just a fire, I wish you a good mood every day.
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Ordinary people generally sleep for about 8 hours a day, and those who are frail and sick should increase their sleep time appropriately.
Human sleep is rhythmic, alternating deep sleep and light sleep until you wake up. The first half of sleep is mostly deep sleep, and the second half is mostly light sleep. In the case of a person sleeping for a long time, deep sleep does not increase, but only prolongs the time of light sleep.
People who can fall into deep sleep soon, even if the light sleep time is relatively small, will not affect the mental state; On the contrary, it only prolongs the light sleep time, but the sleep quality does not improve, and you still feel "unsatisfactory" after waking up.
Sleeping too long is not good for health, sometimes 9 hours of sleep is greater than 6 hours of sleep, longer and shorter sleep time will increase the risk of diabetes, coronary heart disease, and even death, while 7 hours of sleep has the lowest risk of diabetes, the lowest risk of coronary heart disease and the lowest risk of death.
Sleeping too long not only can't eliminate fatigue, but also brings a lot of harm to the human body.
1.Weakness. When a person is active, the heart beats faster, the contractility of the heart muscle increases, and the cardiac output increases.
When the human body is resting, the heart is at rest, and the heartbeat, contractility, and blood output decrease. If you sleep for a long time, it will destroy the rhythm of rest and exercise of the heart, and the heart will rest again and again, and eventually the heart will be weakened by contraction, and the heart will not beat after a little activity.
1. Panic and fatigue, so I have to lie down again to form a vicious circle, resulting in weakness.
2.Susceptibility to respiratory diseases. The air in the bedroom is the dirtiest in the morning, even if the windows are closed, there is still some air not circulated, and the unclean air contains a lot of bacteria, viruses, carbon dioxide and dust, which has an impact on the respiratory tract's ability to resist diseases.
As a result, those who snooze behind closed doors often suffer from colds, coughs, and sore throats.
3.Limb fatigue and weakness. After a night's rest, muscles and joints will become relaxed, and immediate activity after waking up can increase muscle tension, increase the blood of muscles, make bones and muscle tissue in a state of repair, and eliminate metabolites accumulated in muscles at night, which is conducive to muscle tissue recovery and exercise.
People who sleep lazily miss the opportunity to move due to muscle tissue, and feel weak legs, lumbosacral discomfort, and weakness after waking up.
4.Affects digestive function. Lazy people cannot eat on time, and the gastrointestinal tract has hungry peristalsis, which disrupts the secretion of gastric juice and affects digestive function.
5.Interferes with nervous system function. People who sleep lazy sleep have a long-term excited sleep center, while other nerve centers will be relatively slow to resume their functions due to inhibition for too long, so they will feel groggy and listless.
This is because the person has not yet entered a deep sleep, and if the person had gone into a deep sleep, this would not have happened. >>>More
If you say that this situation only occurs on weekends, it is possible that the biological clock is fixed during normal work, and on the weekend, the sleeping time is suddenly lengthened, and the biological clock cannot adapt to it for a while, and there is chaos. The best sleep time for people is 7-8 hours, and it is recommended to have a regular work and rest.
Actually, the time is the same, I think ha, dreaming is just an event, so you feel like it's going to be longer, and not dreaming, it's very simple, you have to close your eyes before you go to bed, and when you wake up, you open your eyes, just like when you ride in a car, if you fall asleep in the car, you will soon reach your destination, and even take a stop, but if you don't sleep, you will feel that the journey is a little boring.
8 hours is enough, 11 pm to 3 pm is the best time.
It is generally better to sleep in a position that does not compress the heart, slightly on the right side. >>>More
Regarding the sleeping state, cats spend 14 to 15 hours of sleep in a day, and some cats sleep for more than 20 hours, so cats are called "lazy cats". However, if you look closely at the way the cat sleeps, you will find that the slightest sound will cause the cat's ears to move, and if someone approaches, the cat will wake up suddenly. Originally, the cat is a hunting animal, in order to be able to keenly feel all the movements of the outside world, it does not sleep very dead, so it should not be called "lazy", because the cat only 4 or 5 hours is really sleeping, most of the time should be regarded as "fake sleep" or called closing the eyes to recuperate. >>>More