How to Calm the Nervous System to Improve Sleep, Energy, and Metabolism
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Introduction
Many people focus solely on diet when trying to lose weight, control glucose, or regain energy. However, based on Frank Suárez's teachings, there is a factor that deeply influences metabolism and often goes unnoticed: the state of the nervous system.
When the nervous system remains agitated, the body enters a state of constant tension that affects sleep, physical recovery, and metabolic balance. Under these conditions, losing weight becomes more difficult, glucose tends to rise, and health gradually deteriorates.
Frank Suárez observed for years that many people with overweight, diabetes, or metabolism problems had something in common: an excessively excited nervous system. That's why he dedicated a large part of his teachings to explaining how to calm the body to restore balance and allow the metabolism to function correctly.
Key points
- Frank Suárez taught that an agitated nervous system can affect sleep, glucose, energy, and metabolism.
- According to his explanation, when a person sleeps poorly, glucose can be elevated in the morning, which causes more insulin and makes weight loss more difficult.
- The central autonomic nervous system regulates automatic bodily functions such as the heart, digestion, and other vital functions.
- Frank believed that there is no worse metabolism for weight loss than that of an excited nervous system.
- Among his tricks for calming the nervous system, he mentioned deep breathing, grounding, proper diet, hydration, sun exposure, magnesium, potassium, vegetable juices, and avoiding toxic people.
- Sleep quality was, for Frank, a very clear sign of the body's health status.
The nervous system controls much more than it seems
The human body is directed by the central autonomic nervous system, a system that functions automatically and regulates the body's vital functions.
It is not necessary to think for the heart to continue beating, for the body to process food, or for the functions necessary for life to remain active. All of this happens automatically thanks to the action of the nervous system.
For this reason, when the nervous system is altered, the consequences are reflected in practically the entire organism.
Frank Suárez taught that one of the most serious problems for metabolism is an excited nervous system. When a person lives under constant tension, sleeps poorly, or remains stressed, the body loses the ability to maintain the balance it needs to function properly.
In his explanation, if a person manages to calm the nervous system, they also have a better chance of controlling their metabolism. For Frank, the body with an excited nervous system was the most difficult for losing weight, because it tends to have more stress, more belly fat, more glucose, and more insulin.
The relationship between sleep and metabolism
One of the most visible effects of an altered nervous system is poor sleep quality.
Frank repeatedly observed that people who do not sleep well have greater difficulty controlling their weight and metabolism. According to his observations, a night of poor sleep can be reflected the next day in elevated glucose levels.
When glucose increases, the pancreas responds by producing more insulin. This increase in insulin makes it difficult to use fat reserves and complicates the weight loss process.
Therefore, improving sleep is not merely a matter of rest. It is a fundamental strategy for restoring metabolism.
According to Frank's teachings, sleep quality is one of the most important indicators of the body's general state. When a person starts sleeping better, their energy, metabolism, and general well-being usually improve as well.
Deep breathing as a tool to calm the body
Among the resources that Frank Suárez considered most effective for calming the nervous system is deep breathing.
He explained that learning to breathe correctly can produce significant changes in the body's tension level. In his teaching, he mentioned breathing well several times in a row, following the practice he had explained in another episode of MetabolismoTV.
Conscious breathing helps reduce the state of nervous system excitation and promotes a sense of calm that facilitates rest. As a result, the person can sleep better, regain energy, and promote a more balanced metabolism.
Although breathing is something we all do automatically, doing it correctly and deliberately can become a powerful tool to restore internal balance.
Grounding and its effect on the nervous system
Another method Frank included in his strategies for calming the body is grounding.
The practice involves walking barefoot on natural surfaces such as earth, grass, or sand.
As he explained, this simple action helps discharge accumulated current in the body and contributes to reducing nervous system excitation.
Frank highlighted that there are numerous scientific studies on this topic and noted that he had observed positive results in people who began to incorporate this practice into their daily routine.
The important thing is that it is a simple, accessible activity that can be part of a lifestyle aimed at improving metabolism and health.
The importance of an adequate diet for the nervous system type
Diet also plays an important role in the state of the nervous system.
Frank taught that not everyone responds to food in the same way and that the diet should be adapted to the predominant nervous system type.
In the case of a person with an excited nervous system, he recommended a diet designed to help the body calm down.
As he explained, this type of diet is characterized by more vegetables, salads, and white meats, as well as being low in fat and low in salt.
The correct diet not only influences body weight. It can also directly impact sleep quality, tension levels, and overall metabolic function.
Hydration as support for metabolic balance
Water is another element that Frank considered fundamental for keeping the body functioning correctly.
Adequate hydration allows metabolic processes to develop more efficiently and contributes to the body's overall balance.
To calculate the necessary amount of water, he shared a simple formula:
- Weight in pounds divided by 16.
- Weight in kilograms divided by 7.
The result corresponds to the number of 8-ounce or 250-milliliter glasses of water that the person should consume daily.
Adequate hydration is part of the necessary foundations to support both metabolism and nervous system function.
The calming effect of the sun
Sunbathing is also part of the strategies Frank used to help calm the nervous system.
He observed that many people experience a deep sense of relaxation when exposed to the sun for a moderate period. In his practical style, he mentioned that many people lie down to sunbathe and fall asleep because the sun has a calming effect on the nervous system.
He explained that daily exposure of approximately 10 to 15 minutes on the skin can help raise vitamin D levels.
Furthermore, he noted that solar rays, especially infrared ones, have a calming effect on the nervous system.
For this reason, incorporating moments of moderate sun exposure can become an additional tool to improve rest and promote body balance.
Magnesium and potassium: essential minerals for body tranquility
Among the nutrients that Frank considered most important for the nervous system are magnesium and potassium.
As he explained, many people do not consume enough vegetables and salads, so they end up with an insufficient intake of these minerals.
Magnesium was one of the elements he used most to help calm the body. He described it as a mineral with a deeply relaxing effect that also helps improve rest. He also mentioned that it could have an antidepressant effect and help with blood pressure.
Potassium, for its part, also plays an important role due to its ability to help balance the body. Frank spoke of potassium citrate as a form they used at NaturalSlim for its absorption and its effect to help remove acids from the body.
In the NaturalSlim approach, resources such as the Dynamic Duo MagicMag + Kadsorb can support this teaching when discussing magnesium and potassium, always within a broader strategy that includes proper nutrition, hydration, rest, and stress management.
Frank emphasized that vegetable juices are especially useful because they contain significant amounts of both magnesium and potassium.
For this reason, vegetables and vegetable juices frequently appear among the recommendations aimed at improving metabolism and reducing nervous system tension.
The impact of toxic people on health
One of the most practical points of this teaching has to do with the social environment.
Frank warned about the negative effect that people who constantly generate problems, criticism, or conflicts can have.
From his perspective, permanently coexisting with people who disrupt emotional tranquility can keep the nervous system activated and hinder rest.
For this reason, he recommended avoiding, as much as possible, those relationships that produce constant tension.
Mental tranquility does not depend solely on diet or supplements. It is also influenced by the environment in which the person lives and by the interactions they have every day.
Sleep quality reflects the body's state
All these strategies have a common goal: to improve sleep quality.
Frank Suárez taught that sleeping well is one of the fundamental pillars for maintaining health, controlling metabolism, and reducing the risk of multiple problems.
When a person manages to calm their nervous system, the body can rest better, recover adequately, and maintain more efficient functioning.
Breathing correctly, walking barefoot on the earth, consuming an adequate diet, staying hydrated, getting a little sun, ensuring a good amount of magnesium and potassium, consuming vegetable juices, and staying away from constant sources of tension are measures that point towards the same goal: returning the body to the state of tranquility it needs to function correctly.
From Frank Suárez's perspective, sleep quality is one of the clearest signs of a person's health status. When sleep improves, the body begins to regain its natural ability to balance itself.
And when the body finds that balance, energy, metabolism, and overall health also improve.
Frequently asked questions
Why did Frank Suárez say that the nervous system affects metabolism?
Frank taught that the central autonomic nervous system controls automatic bodily functions. When it is altered, it can affect sleep, glucose, insulin, digestion, energy, and metabolism.
What is the relationship between poor sleep and glucose?
According to Frank, after a bad night's sleep, glucose can be elevated in the morning. If glucose rises, the pancreas produces more insulin, which can make weight loss more difficult.
What is an excited nervous system?
In Frank's teaching, an excited nervous system is a body that remains more activated, tense, or stressed. This state can affect sleep, cause belly fat, and make metabolism control difficult.
How does deep breathing help the nervous system?
Frank taught that breathing correctly several times in a row can help calm the nervous system, improve sleep, and promote a more balanced metabolism.
What is grounding?
Grounding involves walking barefoot on earth, grass, or sand. According to Frank, this practice helps discharge accumulated current in the body and calm the nervous system.
What type of diet did Frank recommend for an excited nervous system?
Frank recommended a diet higher in vegetables, salads, and white meats, and low in fat and salt. The idea was to use a diet that would help calm the body.
How much water did Frank Suárez recommend drinking?
Frank shared a practical formula: weight in pounds divided by 16, or weight in kilograms divided by 7. The result indicates the number of 8-ounce or 250-milliliter glasses of water per day.
Why can the sun help you sleep better?
Frank explained that the sun has a calming effect on the nervous system. He also mentioned that 10 to 15 minutes of sun on the skin can support vitamin D levels and promote relaxation.
Why did Frank talk so much about magnesium and potassium?
Frank considered magnesium and potassium vital minerals for calming the body. He also explained that vegetable juices work well because they provide both minerals.
Why can avoiding toxic people help metabolism?
Frank taught that confrontational or critical people can upset the nervous system and affect sleep. If sleep is affected, glucose, energy, and metabolism are also affected.




