Why is the Circadian rhythm closely related to the changes of yin and yang in traditional Chinese medicine?

Wen | Wu SirEditor | Eucommia ulmoidesInsomnia, also known as insomnia, refers to a subjective experience of feeling dissatisfied with the duration and quality of sleep despite appropriate sleep opportunities and environment, and affecting daytime social function.With the rapid development of modern society, fast-paced, high-intensity, irregular living habits directly or indirectly lead to the incidence rate of insomnia increasing year by year

Wen | Wu Sir

Editor | Eucommia ulmoides


Insomnia, also known as insomnia, refers to a subjective experience of feeling dissatisfied with the duration and quality of sleep despite appropriate sleep opportunities and environment, and affecting daytime social function.

With the rapid development of modern society, fast-paced, high-intensity, irregular living habits directly or indirectly lead to the incidence rate of insomnia increasing year by year. How to deal with the frequent occurrence of this phenomenon?

Modern medicine believes that its occurrence is closely related to excessive arousal mechanism, brain area neurotransmitter mechanism, neuroendocrine immune mechanism, endogenous Circadian clock mechanism, etc.

Modern medicine mostly uses sedative hypnotic and anti anxiety and depression drugs for treatment, which can have significant therapeutic effects in the short term, but long-term use can easily lead to adverse reactions such as withdrawal reactions and drug resistance.

Traditional Chinese medicine believes that the occurrence of insomnia is related to the disharmony of yin and yang, qi and blood, zang fu organs, and battalion and health. But the root cause is that "yin and yang are disharmonious, and yang does not enter yin".

Research shows that Circadian rhythm plays an important role in the sleep wake cycle,The Circadian rhythm is closely related to the ebb and flow of yin and yang in traditional Chinese medicine.

Based on the body's noumenon structure of "internal yang and external yin", the author will start with the yin and yang mechanism of the Circadian rhythm, discuss how to regulate yin and yang to affect the Circadian rhythm, and finally achieve the goal of improving or even curing insomnia.

Overview of Circadian rhythm theory

The Circadian rhythm, also known as the circadian rhythm, is the change of life activities with a cycle of about 24 hours. This change is mainly caused by the Earth's rotation and diurnal replacement.

Affected by the alternation of day and night in nature, the human body also follows the natural changes of heaven and earth to form a life pattern of "working at sunrise and resting at sunset", which is called the sleep awakening rhythm.

The Circadian rhythm is affected by the growth and decline of yin and yang. Once yin and yang are out of balance, the Circadian rhythm will be disrupted, and the sleep wake rhythm will also be out of order, which will then lead to Sleep disorder. Insomnia is one of them.

The changes of yin and yang in the Circadian rhythm are well understood by Chinese medicine about the changes of Circadian rhythm.

At night until the rooster crows, the yin of the sky is the yin of the yin. The rooster crows until the day of peace, the yin of heaven and the yang of yin. Old friends should also respond to it

The Circadian rhythm is essentially determined by the light cycle on the earth. At the beginning of Pingdan, as soon as the sun rises above the horizon, the earth begins to be dominated by yang qi. The yang qi gradually grows and the yin qi gradually disappears, hence it is the yang in the yang.

At the zenith of the sun, the yang qi is extremely long, and at this time, the heavy yang will be yin, and the yin qi will begin to generate, so it is the yin of the yang. At dusk and at night, the sun sets on the horizon, and the yang qi gradually weakens. The earth begins to be dominated by yin qi, hence the yin in yin.

At midnight, when the rooster crows and the yin reaches its peak, the heavy yin will be accompanied by yang, and the yang qi will begin to generate, hence it is the yang within the yin.

The influence of Circadian rhythm on the changes of yin and yang in the human body. The yin and yang of heaven and earth change rhythmically with the day and night, and the rise and fall of yin and yang in the human body are also consistent with the Circadian rhythm.

The Analects of Classics - The Restoration of Yin and Yang in the Middle "states:" The Yin and Yang of a person are also the same as the Qi of the four seasons of a day. Therefore, after the birth of a child, the Qi rises, in the afternoon, the Qi falls, after the birth of a child, the Yang rises, and in the afternoon, the Yang declines

People and heaven and earth naturally correspond, and the changes in yin and yang in the human body should be the same as those in a day. After the hour, the movement of qi tends to rise, and the yang qi begins to rise and flourish.

After noon, the movement of Qi tends to decrease, and Yang Qi begins to settle and decay. The Yin and Yang of the human body also follow this pattern.

At dusk, when the night falls, the Yin and Yang of the human body are in a dynamic change of Yang dissipating and Yin growing. The external Yang qi gradually depletes, while the Yin qi continues to grow. The external Yang infiltrates the Yin and is in a suppressed state, allowing people to fall asleep.

In the middle of the night after childbirth, Yin Qi is at its peak, and Yang Qi begins to grow. At this time, Yang Qi is still weak and not enough to excite the body, and people can still maintain sleep.On the day of Pingdan, when Yang grows and Yin dissipates to a certain extent, Yang Qi begins to excite and emerges from Yin, at which point one can wake up.

At noon, when Yang Qi is at its peak and Yin Qi begins to generate, Yang Qi still dominates the energy of excitement, allowing people to maintain sufficient physical strength during the day to engage in various activities.

Overview of the Ontological Structure Theory of "Internal Yang and External Yin"

The ontology of "internal yang and external yin" was proposed by Professor Tang Nong, which is different from the use of "yin and yang are both internal and external, and the use of yin and yang is also external." It explains the structure of the yin and yang ontology in a normal human life state.

As stated in the "Biography of the Book of Changes": "When heaven and earth intersect, all things are connected, and when they intersect, their aspirations are the same. The internal yang is the external yin, and the internal health is the external smoothness

The upward and outward movement of the positive, the downward and inward movement of the negative are the manifestations of the movement of yin and yang. Under the ontological structure of "internal yang and external yin", yin and yang can continuously communicate and transform, and all things in heaven and earth can naturally move and transform, and life can continue to thrive.

The "True Biography of Medical Theory" states: "The root of Yang lies in the ridge, and the sky is filled with water. A little Yuanyang is contained in the two Yin. The root of Yin lies in the separation, and the earth generates fire. A little Yuanyin is hidden within the two Yang

The yang in Kanzhong is the essence of yin and yang, which is the "yuan yang" and "true yang", and is the driving force of life activities. The Yang outside the Wei is the Yang used, which is the functional manifestation of the warm and warm Yang Qi outside the Wei.

The Yin of the Li Zhong is the Yin of the Yin and Yang noumenon, which is the material foundation of life activities.The internal yin is the yin used, which reflects the function of nourishing and nourishing yin qi.

Based on the Circadian rhythm and the ontological structure of "internal yang and external yin", the causes and pathogenesis of insomnia are various. There are many causes of insomnia, including invasion of external evils, emotional distress, and eating disorders.

In summary, it cannot be separated from the imbalance of yin and yang, qi and blood, viscera, and health, among which yin and yang are the principles of all things.

In the book "Differentiation of Warm Diseases", Mr. Zheng Yiyuan and his colleagues commented: "If the Wei Qi stays in the Yang, then the Yang Qi is full, and cannot enter the Yin, then the Yin Qi is deficient. Therefore, if the eyes are not closed, it can be the general principle of all sleeplessness

This is based on the Huangdi Neijing, which summarizes that the total pathogenesis of insomnia is that yang is too strong and yin is too weak to enter yin. If yin and yang are not in harmony, yang qi cannot be normally trapped into yin, and yang floats outside and disturbs the mind and spirit, causing sleeplessness.

Therefore, it can be said that the total pathogenesis of insomnia is the disharmony between yin and yang, and the inability of yang to enter yin. The term 'Yang Sheng Yin Xu' in this context does not refer to the excess of true Yang or the deficiency of true Yin, but rather to the fact that the Yang outside the Wei cannot return to the normal position, allowing Yang Qi to accumulate outside and not infiltrate into Yin, resulting in a relative deficiency of Yin Qi.

In the structure of the Yin Yang body, at dusk and at night, Yin and Yang tend to balance, and the external Yang Qi gradually dissipates and the Yin Qi gradually increases. The Yuan Yang hidden in the Yin also grows, prompting the external Yang Qi to enter and intersect with the Yin.

Essentially, it is to return the yang qi used outside the body to the true yang stored in the yin qi, ultimately enabling people to sleep.

If influenced by internal and external factors, the two qi of yin and yang are lost, or if yin is deficient, the true yang in yin is also deficient, and the true yang is unable to stimulate the internal yang storage outside the body, causing yang to float outside and invade the gods, causing insomnia.

For those with yang deficiency, both the true yang and the yang outside the guard have deficiency damage. Although the floating yang outside is weak, the true yang is also unable to infiltrate the internal yang and appears drowsy but unable to sleep.

Alternatively, due to the influence of two factors, the ascending and descending of qi may be disrupted, resulting in obstruction of the passage of yin and yang, and the inability of yin and yang to interact, resulting in insomnia.

As for the time of pacification, yin and yang once again tend to balance, and the external yang qi gradually grows, while the yin qi gradually weakens. The yuan yang in yin drives the yang qi out of the external guard, allowing people to watch.

At this point, if the person with yin deficiency does not have the essence of yang qi in the true yang of yin, it will drive yang into the outside prematurely, which can show a state of early awakening.If a person has yang deficiency, in mild cases, the yang qi cannot be restrained internally, and if it floats outside, it will wake up early. In severe cases, the yang deficiency is unable to go out and shows symptoms of dizziness and drowsiness.

Differentiation and Treatment of Insomnia Based on Circadian rhythm and Ontological Structure of "Inner Yang and Outer Yin"

The key to the occurrence of insomnia lies in the imbalance between yin and yang, which leads to sleep rhythm disorders. Yin and yang imbalance is often more common in cases of deficiency, while those with yang deficiency often exhibit fear of cold limbs, lack of qi and lazy speech, mental fatigue and fatigue, drowsiness and inability to sleep.

People with yin deficiency may exhibit symptoms such as restlessness of the five hearts, difficulty falling asleep, shallow sleep and early awakening, dry mouth and desire to drink. Regarding this, Mr. Lu Zhunzhi proposed the treatment principle of "if the disease is in Yang, support Yang and suppress Yin. If the disease is in Yin, use Yang to transform Yin".

Regardless of which one of the yin and yang qi tends to decline, both can be treated using the method of warming and nourishing yang qi, and then lowering yang into yin, such as using the "Gui Gan Long Mu" method.

Those with deficiency of Yuanyang can greatly nourish Yuanyang on the basis of warming latent energy, such as Sini Tang and Qianyang Sealing Marrow Pill, which can support Yang and strengthen the foundation, and only when Yuanyang is abundant can the Yang outside the body be restored to its original state.

For those who suffer from yin deficiency and Yuanyang deficiency, the method of warming and latent energy can also be used to support Shao Huo, help Yang transform Yin, and slightly add sweet and cool products such as reed roots and rushes to conduct heat and promote fluid production.

It should be pointed out that Yin deficiency here refers to pure internal injury deficiency syndrome, excluding Yin deficiency caused by external evil disturbance, emotional stagnation, phlegm dampness accumulation, etc.

Yuanyang is a type of Shaohuo, and the yang of "supporting yang to suppress yin and using yang to transform yin" is also a type of Shaohuo. Shaohuo is the positive qi that can generate yang to transform yin and provide a continuous source of power for life. Therefore, warming and supporting yang qi can regulate yin and yang.

The evil fire generated by various disturbances is called strong fire, which can damage yin and consume qi. Therefore, when the evil fire is stored inside, it is not advisable to use the method of warming yang,Otherwise, it will promote evil fire and further damage yin and yang. At this time, it is necessary to first dispel the fire and save yin. After the evil fire is dispelled, then use yang to transform yin and coordinate yin and yang.

Under the Circadian rhythm guided by yin and yang, the key to insomnia is that yang does not enter yin, combined with the change law of yin and yang in Circadian rhythm and the noumenon structure of "inner yang and outer yin".

The treatment of insomnia should use the method of "warming the latent energy" to regulate yin and yang, and the latent energy should enter yin. Two points should be noted: first, pay attention to the yuan yang, where yang qi is the driving force and source, and yang generates and grows yin. Only when the yuan yang is sufficient can it better promote the generation of yin qi and achieve the harmony of yin and yang.

The second is to pay attention to identifying evil fire, as all causes can lead to evil fire. Evil fire disturbs yang and damages yin. If there is evil fire, simply warming yang is counterproductive. It is necessary to first eliminate the evil fire and then support yang to transform yin.


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