How does sleep disturbance affect the body? Dangerous consequences of lack of sleep. Psychological consequences of lack of sleep

How many hours of sleep does the average person need to truly rest? The number of hours ranges from 6 to 8 per day - this time should be quite enough for a person to be able to continue working without harm to his health. But if you are constantly lacking sleep, this is fraught with serious consequences, ranging from mild neurosis and the risk of extra centimeters at the waist, to more serious problems - heart disease and an increased risk of developing diabetes.

Unpleasant symptoms may appear after the first night of lack of sleep. What else can cause bad sleep? The Huffington Post decided to look into this in more detail.

Some brilliant people had practically no need for sleep, and they did not suffer without its absence. For example, Leonardo da Vinci only needed 1.5-2 hours of sleep a day, Nikola Tesla - 2-3 hours, Napoleon Bonaparte slept at intervals for a total of about 4 hours. You can consider yourself a genius as much as you like and believe that if you sleep 4 hours a day, you will have time to do much more, but your body may not agree with you, and after several days of torment it will begin to sabotage your work, whether you want it, or not.

Infographics

What happens to the body after one day of lack of sleep

You start to overeat. So, if you have had little or poor sleep at least one night, you will feel hungrier than after a standard sleep. Studies have shown that lack of sleep provokes appetite, as well as the choice of higher-calorie, high-carbohydrate, and not entirely healthy foods.

Attention deteriorates. Due to drowsiness, your alertness and reaction deteriorate, and this, in turn, can lead to accidents on the road or at work (if you work with your hands or are a doctor or driver, which is even worse). If you sleep 6 hours or less, your risk of road accidents increases threefold.

Appearance deteriorates. Bruises under the eyes after a bad sleep are not the best decoration. Sleep is not only good for your brain, but also for your appearance. A small study in the journal SLEEP published last year found that people who sleep less seem less attractive. And research conducted in Sweden also showed a link between rapid skin aging and lack of adequate sleep.

The risk of catching colds increases. Adequate sleep is one of the building blocks of the immune system. A study conducted at Carnegie Mellon University found that sleeping less than 7 hours a day increases your risk of getting sick by three times. Moreover, Mayo Clinic experts explain that during sleep, the body produces special proteins - cytokines. Some of them help support sound sleep, and some need to be increased to protect the body when you have an infection or inflammation, or when you are stressed. As a result of lack of sleep, the production of these protective cytokines decreases and you get sick longer.

You risk getting microdamage to the brain. A recent small study conducted with fifteen men and published in the same journal SLEEP showed that even after one night of sleep deprivation, the brain loses some of its tissue. This can be detected by measuring the levels of two molecules in the blood, which when elevated usually signal that the brain has been damaged.

Of course, this is just a small study conducted on fifteen men - not that big of a sample. But how can you be sure that this will not affect you?

You become more emotional. And not for the better. According to a 2007 study from Harvard and Berkeley medical schools, if you don't get enough sleep, the emotional areas of the brain become more than 60% reactive, meaning you become more emotional, irritable and explosive. The fact is that without enough sleep, our brain switches to more primitive forms of activity and is not able to properly manage emotions.

You may have problems with memory and concentration. In addition to problems with attention, there are problems with memory and concentration. It becomes difficult for you to concentrate on completing assigned tasks, and your memory also deteriorates, since sleep is involved in the process of memory consolidation. So, if you don't sleep enough, memorizing new material will become more and more difficult for you (depending on how bad your situation is).

What happens to your body if you don't sleep enough in the long term?

Let's say you have an exam or an urgent project and you just need to reduce your sleep to a minimum in order to get everything done. This is acceptable in short periods, just try not to drive and warn everyone in advance that you are very tired and may react a little inadequately, emotionally. After passing an exam or finishing a project, you will rest, get some sleep, and get back into shape again.

But if your job means that your standard sleep time of 7-8 hours has decreased to 4-5, you need to seriously think about changing either your approach to work or the work itself, since the consequences of a constant lack of sleep are much more sad. than simple nervousness or dark circles under the eyes. The longer you maintain this unhealthy regimen, the higher the price your body will pay for it.

The risk of stroke increases. Research published in the journal SLEEP in 2012 found that sleep deprivation (less than 6 hours of sleep) for older adults increases the risk of stroke by 4 times.

The risk of becoming obese increases. Simply overeating due to lack of sleep for a day or two is nothing compared to what can happen to you if constant lack of sleep becomes your default routine. As mentioned in the previous section, lack of sleep provokes an increase in appetite and, of course, leads to constant night snacking. All this together transforms into extra pounds.

The likelihood of developing certain types of cancer increases. Of course, it won't appear simply because you don't sleep enough. But poor sleep can trigger the appearance of precancerous lesions. Thus, as a result of a study conducted among 1240 participants (a colonoscopy was performed), those who slept less than 6 hours a day increased by 50% the risk of developing a colorectal adenoma, which over time can turn into a malignant formation.

The likelihood of developing diabetes mellitus increases. A 2013 study by the Centers for Disease Control and Prevention found that getting too little (and too much!) sleep is associated with an increased risk of many chronic diseases, including diabetes. This is due to the fact that lack of sleep, on the one hand, leads to the risk of obesity, and on the other hand, insulin sensitivity decreases.

The risk of heart disease increases. Harvard Health Publications reports that chronic sleep deprivation is associated with high blood pressure, atherosclerosis, heart failure and heart attack. Research conducted in 2011 at Warwick Medical School found that if you sleep less than 6 hours a night and sleep disturbances, you get a “bonus” in the form of a 48% increased chance of dying from heart disease and a 15% increased chance of dying from heart disease. stroke. Staying up late or into the morning for a long period is a ticking time bomb!

The number of sperm decreases. This point applies to those who still want to experience the happiness of fatherhood, but are putting it off for now because they are busy accumulating an inheritance. In 2013, a study was conducted in Denmark among 953 young men, during which it was found that men with sleep disorders had a sperm concentration in semen that was 29% lower than those who slept the standard 7-8 hours a day.

The risk of premature death increases. The study, which assessed 1,741 men and women over 10 to 14 years, found that men who slept less than 6 hours a night increased their chances of dying prematurely.

All this was data obtained during research. But, as we know, in our contradictory world, research data can be completely opposite. Today we can read that new magic pills will save us from all diseases, and tomorrow an article may appear stating that other studies have shown completely opposite results.

You may or may not believe in the long-term benefits of chronic sleep deprivation, but you can't deny the fact that if you don't get enough sleep, you become irritable and inattentive, have trouble remembering information, and even dread looking in the mirror. Therefore, let's spare ourselves and sleep at least 6 hours a day for ourselves, our loved ones, at least in the short term.

Kalinov Yuri Dmitrievich

Reading time: 5 minutes

Doctors are sure that for the normal functioning of the body, a person needs to sleep about 8 hours a day. Not every adult succeeds in following this rule. Can lack of sleep lead to health problems? It turns out that it is enough to reduce the recommended amount of sleep by at least 1-2 hours for the negative consequences of lack of sleep to begin to appear.

Symptoms of lack of sleep

Sleep is absolutely necessary for the body to fully rest and restore vitality. Many people do not pay attention to the amount of sleep or do not know at all what the consequences of lack of sleep are. It can be considered a pathological condition that is distinguished by a number of obvious symptoms.

As a rule, the consequences of chronic lack of sleep are clearly reflected in appearance. The less a person has slept over the past nights, the more it is imprinted on his face. From lack of sleep, bruises and bags appear under the eyes, the whites turn red, and the skin turns pale.

Lack of sleep also affects general well-being. Classic symptoms would include any of the following:

A person who has not received enough rest has a weakened immune system, which makes him vulnerable to viral diseases. If your temperature suddenly rises due to fatigue, this is also a demonstration of how lack of sleep affects the body.

Chronic lack of sleep provokes dysfunction of the digestive system, resulting in problems with stool. If you don't get enough sleep, the absorption of vitamins and nutrients is impaired, nails become more brittle, hair becomes dull, and skin becomes dry and irritated. The harm of lack of sleep also affects the internal organs, causing numerous pathologies.

Common Causes of Lack of Sleep

Often a person simply does not have the opportunity to sleep as much as necessary for normal well-being. Factors that prevent you from getting the required amount of sleep are conventionally divided into external and internal. The first refers to the environment, the second - psychological or physiological problems. Both are equally harmful.

Everyone knows about the benefits of proper sleep. In books devoted to a healthy lifestyle, you will definitely find advice - to allocate at least 8 hours of sleep every day.

If for a noble lady of the 18th century it was considered decent to wake up no earlier than 11 am, then for a modern woman such an approach is irrelevant, but the consequences of lack of sleep for women are a serious issue.

What are the benefits of sleep?

What processes occur while a person sleeps? During night rest, a special hormone is produced - serotine. It is this hormone that is responsible for growth and development.

During sleep, the body works slowly so that all organs have the opportunity to recover before the onset of a new working day.

Immune functions increase many times during sleep. It is not for nothing that a sick person is advised to sleep as much as possible. After all, this helps to quickly get rid of the virus and defeat the disease.

Also, proper sleep is the best way to maintain youth and attractiveness, without spending a penny on it. In a woman who follows a sleep schedule, cells are renewed faster and tissues are restored.

Events that cause sleep deprivation

In addition to lack of time, there are other Reasons for insufficient sleep:

state of stress;
anxiety, nervous disorders;
bride syndrome. During the preparation for the wedding, many girls cannot sleep a wink.
pregnancy and, of course, baby care;
deep depression due to really serious reasons: long-term unemployment, death of a loved one.

Signs of lack of sleep

Each organism is individual. Some young girls do not complain at all about feeling terrible after a sleepless night. On the contrary, they are able to dance until dawn, visit couples at the university immediately after that, and also work in the evening.

But there are common symptoms of lack of sleep that most people experience, albeit sometimes only partially. But you need to know the dangers of lack of sleep for a woman:

Lack of sleep is an unpleasant condition that feels like the initial stage of the flu.

What does lack of sleep lead to?

Of course, every person needs good sleep. And yet, systematic lack of sleep affects the fairer sex more seriously. The consequences for men are not so obvious.

Common results of sleep deprivation:

How to get enough sleep?

Sometimes just lying down and falling asleep becomes problematic. Systematic violation of the regime is fraught with dire consequences and can cause insomnia. What to do in such a case? It is possible to regain healthy sleep by following these recommendations:

There's no need to have a late dinner before heading to bed. At night, the body should focus on rest, and not on digesting food.
You can take a walk. Clean air has a very beneficial effect on the quality of sleep.
You should not listen to invigorating music at night, use gadgets, or watch movies that evoke negative emotions. But listening to pleasant classical music or sounds of nature will help you sleep peacefully.
The bed should be clean and comfortable. It is also very important that the resting place does not serve other purposes. People who like to sit in bed with a laptop are more likely to suffer from insomnia, because the body gets used to associating bed with active activity, but not with sleep. There is only one exception to this rule: lovemaking.
The room should be well ventilated.

Systematic lack of sleep is a thief stealing invaluable health. Losing health is very easy, but regaining it is much more difficult. Why waste what represents one of the main values of human life?

Lack of sleep can cause a number of dangerous side effects. All systems of the body can fail, which will affect its functioning, from thought processes and memory to reflection in your appearance, body weight and general health.

Nine dangerous consequences of lack of sleep

Lack of sleep is especially harmful when the habit of sleeping little becomes chronic. And most of us are familiar with obvious signs of lack of sleep, for example, irritability and low performance.

But there are also more serious side effects with symptoms of sleep deprivation, about which not much is known. Let's find out what else is at risk from lack of sleep.

No sleep - no health

A person who constantly does not get enough sleep increases the risk of developing a number of chronic diseases. Sad statistics around the world indicate that 90% of people suffering from lack of sleep are susceptible to chronic diseases.

The most common problems associated with sleep deficiency:

Migraines, in which the head constantly hurts due to frequent lack of sleep;
Cardiovascular diseases;
Heart failure, heart attack;
Irregular heartbeat (arrhythmia);
High blood pressure;
Type 2 diabetes;
Paralysis.

Elusive beauty

Bruises and bags under the eyes, which make a person look like a panda or a zombie, will probably help out when you need to quickly get into character for a costume party. All you have to do is find the right suit. And my sleep-deprived friend has already done a great job on the “make-up”.

Just one night of tossing and turning on the bed gives the skin an unhealthy and rumpled look, the look - sternness, and the whole image resembles, if not a panda, then certainly a basset hound. Chronic lack of sleep affects your appearance even worse.

Lack of sleep can lead to premature skin aging. If you don't sleep for a long time, skin elasticity decreases. This is due to the fact that chronic fatigue, leading to excessive stress, contributes to the production of the hormone cortisol in the body. Its increased content is associated with the destruction of the protein responsible for the smoothness and elasticity of the skin.

Decreased alertness and ability to concentrate

The previous point causes the next one. Chronic fatigue and sleeping less than required often lead to accidents. The results of numerous studies show that fatigue due to lack of sleep, for example, in a driver, in terms of the speed of reactions to stimuli, can be equated to a state of severe alcohol intoxication.

Lack of sleep also has a negative impact on work processes, when an employee has an increased risk of injury or harm to others. In addition, often due to lack of sleep, memories are confused, turning into hallucinations.

Melancholy and decay. Depressive vicious circle

Lack of sleep significantly aggravates depression. Even 10 years ago in the United States, where various studies are very popular, a mass survey was conducted of people diagnosed with depression and those who are periodically susceptible to a state of increased anxiety. Study participants were asked to talk about their sleep habits.

Thus, scientists have noticed a direct relationship between the duration of sleep and the depth of depression. Those who slept less than six hours a night often showed clear signs of depression.

At the same time, and especially bad, some symptoms of a depressed mental state can affect the patient's ability to sleep. Therefore, a person simply must fight to get out of this vicious circle, regain his health and the ability to enjoy life.

Impact on learning processes

Sleep is very important and necessary for all cognitive processes, especially those related to learning. Lack of sleep reduces alertness and reduces a person's ability to concentrate for long periods of time. Namely, thanks to this ability we can better perceive and assimilate information.

Distracted attention also limits a person's ability to reason logically and solve problems effectively. It is obvious that the productivity and effectiveness of a tired person tends to zero.

Skills and emotions learned during the day are processed by the brain during the night and turned into memories. Long-term memory is based on this process. But due to lack of sleep, even very vivid emotions, various knowledge and acquired experience will remain “gathering dust” somewhere very far away “in the bins” of the brain. A person who has not had enough sleep is unable to remember large amounts of information.

To be or not to be?

The ability to reason logically, analyze and make decisions when lacking sleep is greatly reduced. And how could it be otherwise, if in such a situation the head often hurts and the person experiences discomfort. Therefore, difficulties in the process of comparing data, rational interpretation of events, facts and a standard set of information affect the ability to make the right decisions.

Naturally, people who do not get enough sleep behave especially inappropriately in stressful situations. What's bad about sleep deprivation is the ability to do things that people wouldn't normally do. Insomnia is known to cause hallucinations. A tired brain distorts the reality of a sleep-deprived brain and forces you to make strange decisions.

Don't sleep, don't eat, but get better

Proper sleep patterns help the body function as nature intended, maintain a healthy appetite and control hunger. Reducing the time allocated for sleep stimulates the production of the hormone ghrelin. It is this insidious hormone that makes us hungry and reduces the level of leptin, which suppresses appetite.

A person driven by ghrelin is likely to overeat. And soon the small deposits on the sides “in reserve” will turn into an impressive size.” Lifebuoy" As evidence, doctors cite statistics according to which people who sleep less than seven hours per week have a 30% higher risk of developing obesity than those who sleep 9–10 hours.

Libido on vacation

Both men and women who lack quality sleep note a decrease in libido and interest in sex. Lack of sleep leads to physical exhaustion, lack of vital energy and increased tension in the body, from which there is neither the strength nor the desire to move at all. In addition, men experience a decrease in the level of the male hormone testosterone, which also affects passion and desire.

Increased risk of premature death

In the ranking of the consequences of lack of sleep, this point would be worth mentioning first. But I didn't want to scare you. It should be noted that people with such a colorful picture of health problems and disrupted daily routine due to irregular sleep increase the risk of dying in their prime. Lack of proper rest is harmful to the body. And this can manifest itself in the form of malfunctions of organs, especially the heart and brain.

Modern people are increasingly neglecting proper sleep in favor of study, work or pleasure, perceiving it as an annoying necessity that takes up a lot of time.

If there is an urgent project, an important event, preparation for exams or another event, and time is running out, then finding the missing time is trivially simple - it is taken away from sleep.

But, of course, each of us realizes that such actions are not good for the body.

Refusal to sleep can provoke irreversible pathological processes in the body (central nervous system depression, paranoia, diabetes, memory loss), a decrease in social status and quality of life.

Forced sleep deprivation. Torture by insomnia

Torture by insomnia is considered the most sophisticated; it was successfully used in barbarian tribes. This could happen in different ways.

During the day they were forced to look at the sun, at night they beat a drum over the ear. Or they were forbidden to sleep during the day and interrogated at night. Few people lasted more than a week.

In the Middle Ages, torture was also used to drive out demons from the body of the culprit.

The higher society rises in its development, the more sophisticated the bullying becomes:

in Guantanamo Bay, an American camp, prisoners are kept awake with very loud and long music. During the Vietnam War, captured American pilots were tied or shackled to a chair and forced to sit without sleep for days without changing their position.

Voluntary sleep deprivation in history

Overcoming sleep cravings is seen across cultures as an extremely difficult and desirable goal. The Australian aborigines have an initiation rite (personal transition to a new stage of development) before which young people do not sleep for three nights in a row.

In the Mesopotamian epic, Gilgamesh, wanting to gain immortality, does not sleep for six days. But his efforts are in vain, sleep overcomes him and he remains mortal.

History contains cases of aesthetic wakefulness, which is undertaken with the aim of deepening self-contemplation. An example is the funeral service of the early Christian monks, which lasted all night.

In the monasteries of the Middle East, participants in such a ritual are allowed to sleep no more than 3–4 hours: the evening service ended after midnight, and the morning service began at 4 o’clock.

Some great ascetic philosophers praise voluntary sleep deprivation and view sleep as a waste of time. To reduce the amount of sleep they consider useless, they place cobblestones under their heads instead of pillows.

Peter from Alcantara did not sleep for 40 years, more than 1.5 hours a day, he had to put his head on a sharp stake.

Novalis, a German mystic and poet, at the end of the 18th century glorifies insomnia, believing that a person is more perfect the less he sleeps.

Voluntary sleep deprivation for scientific purposes

Sleep deprivation became the object of scientific research in the 19th century. Initially, experiments were carried out on animals. The dogs survived for ten days, then died. The rats turned out to be more resilient. They were put on wooden planks and sent floating on the water.

The elderly rats stayed awake for several days, after which they fell asleep and, sliding off the planks into the water, drowned. The young individuals managed to survive for up to twenty days, perhaps sleeping in fits and starts, like sharks.

Animal experiments have shown that

Sleep deprivation leads to an increase in the release of stress hormones. This can reduce the rate at which brain cells turn over.

In 1896, experiments began on people to study the functions of the body during sleep and biological changes due to its lack.

Patrick and Gilbert, American doctors at the University of Iowa, observed three volunteers who had not slept for 90 hours. The first sleepless night passed without much stress. The second night caused an irresistible desire.

By the end of the experiment, the subjects struggled with drowsiness to the limit of their strength, hallucinations began, and their perception of reality was disrupted. Their strength was fully restored after a full twelve hours of sleep.

Half a century later, the race for records began.

After experiencing short-term memory loss and hallucinations, Randy Gardner, a seventeen-year-old Californian youth, in 1965 lasted 11 days without sleep – that’s 264 hours!

When asked how he managed to go without sleep for so long, Randy replied that it was a victory of spirit over matter. In fact, the factors behind Gardner's success were his excellent physical fitness, high motivation, support from the media and numerous observers.

This victory over sleep was recorded in the Guinness Book of Records. After this, representatives of the Book stated that registration of such records is stopped due to the threat to human health. However, in 2007, Briton Tony Wright spent 275 hours without sleep.

The effect of prolonged wakefulness on the body

A person who has not slept for just one night experiences a sharp loss of strength.

The second night without sleep introduces dissonance into behavior and sensations: the gait becomes uneven, speech is confused and unclear, tasks requiring mental effort cannot be solved, psychological tests record errors that indicate the presence of superficial sleep in the forcedly awake person.

This is confirmed by the electroencephalogram. A person is awake, being in a state of drowsiness and sleepy spindles.

If insomnia continues, a person becomes fussy and restless, he has a feeling that the floor is swaying under his feet, and his head is being squeezed by hoops (“hat phenomenon”), his eyes are full of dust particles, and his memory refuses to work.

The fourth sleepless day brings with it visual and auditory hallucinations.

As the person goes deeper into insomnia, the test subject’s “I” seems to separate, the will is suppressed, and anything can be suggested to him.

Researchers suggest that hallucinations are REM sleep with its dreams intruding into wakefulness. For this reason, after the experiment, the subjects are plunged into deep slow-wave sleep, the lack of which is most acute.

NREM sleep also tries to reassert itself by invading violent wakefulness. This was recorded by Nathaniel Kleitman, who conducted an experiment on himself.

After 120 hours of sleeplessness, his electroencephalogram recorded delta waves, which usually appear in slow-wave sleep. Kleitman managed to eliminate them with a great effort of will. At such moments, the line between sleep and wakefulness became blurred.

The effect of being awake for one and a half days on the body

People who work night shifts often have to stay awake for a day and a half: stay awake all night and then stay awake for another day. Many people get used to this rhythm and do not see any negative aspects in it.

Does not very debilitating sleep deprivation affect the psyche and the body as a whole? The answer to this question was given in his research by Ya.I. Levin, who chose the 36-hour waking rhythm as the object of study:

35 young healthy people became subjects. They experienced the greatest sleepiness from 4 to 7 am, from 1 pm to 4 pm the next day. In the evening, towards the end of the experiment, the desire to sleep was the weakest.

Everyone noted a surge of strength, but there was no desire to move. Many reactions to sleep deprivation differed and were determined by a person’s individual parameters - the balance of his nervous system, temperament, character, physical endurance.

But all of them had the following features: a decrease in motivational and incentive level, a decrease in general activity, a deterioration in associative and short-term memory, an increase in reactive anxiety.

On the other side the number of errors when performing simple and complex verbal and non-verbal tasks decreased.

Analysis of biochemical parameters recorded changes in the content of cholesterol and total protein, and the hormonal level of catecholamine, a companion of emotional stress, decreased.

Many indicators returned to normal on the first night after the experiment was completed. Many, but not all...

The recovery night also progresses abnormally: sleep lasts longer, the proportion of deep delta sleep is increased, and the number of movements and awakenings during sleep is reduced.

Galvanic skin response (GSR), a key indicator of emotional activity, is also affected by insomnia. The slightest disturbance, even unnoticed by us, affects the functions of the sweat glands, the skin becomes more moist and its electrical resistance changes. The GSR of the subjects turned out to be similar to the GSR of patients with neuroses.

Thus,

Sleep deprivation is a severe stress, accompanied by biochemical and psychophysiological changes.

The main ally in the fight against stress is delta sleep. Therefore, after sleep deprivation, a person first falls into this stage of sleep.

It is dramatic that delta sleep begins its restoration work after irreversible processes have already occurred.

Preventing the harmful effects of prolonged wakefulness

Is there a way to prevent such stressful conditions in the body?

I.G. Dallakyan and Ya.I. Levin proved in practice that a session of electroacupuncture (acupuncture), affecting certain points of the auricle, increases human activity.

After such prevention, 36-hour wakefulness is much easier to bear, and deep delta sleep on the recovery night lengthens unnoticed.

Sleep deprivation can cause the following symptoms:

Deprivation of sleep negatively affects the absorption of glucose by the human body, which can cause diabetes. This conclusion was made by researchers at the University of Chicago.
muscle pain,
Decreased visual acuity,
Violation color perception - color blindness,
Clinical or acute depression
Increased
Decreased ability to think and concentrate,
Psychosis – loss of sense of reality and personality,
Decreased immune defense
Dizziness, fainting, headaches,
Overexcitement, overstrain, irritation, impatience,
Auditory and visual hallucinations,
Trembling in the limbs
Lucid dreaming while falling asleep
Nausea,
Memory losses,
Involuntary rapid eye movements
Pallor of the skin,
Slow reactions
Unclear and confused speech
Sore throat, nasal congestion,
Weight gain or loss
Yawn,
Clouding of consciousness - delirium,
Symptoms similar to alcohol intoxication, paranoia,
Indigestion, intestinal upset, diarrhea,
Increased blood pressure.

When abandoning the natural needs of our body for the sake of professional or any other activity, we should remember sleep destination:

Rest from wakefulness.

Processing information and transferring it for storage to long-term memory.

Regulation of metabolic processes: the production of growth hormone is enhanced, the plasticity of neurons is restored, the biosynthesis of neuronal RNA and proteins is adjusted.

Setting biorhythms to optimal mode.

Adjustment and regulation of the functioning of brain structures.

Restoring protective functions: during sleep, T-lymphocytes, responsible for immunity to viruses, are activated.

Despite the fact that the phenomenon of sleep has not been fully studied and many important aspects of abandoning it remain a mystery to science, the fact of a threat to human health and status of life remains undoubted.

Sources: A.M. Wayne "Tr and thirds of life”, “Sleep and wakefulness disorders”, “Brain pathology and the structure of night sleep”.

Let me wish you a healthy, full sleep and invite you to listen to a wonderful melody:

Elena Valve for the project Sleepy Cantata.