Tired After Eating Means Low Body O2

Young woman sleeps and feels tired after eating Are you tired after eating? As we discussed before, night sleep is generally the most negative factor that reduces body-oxygen levels. The following most damaging factor is eating or meals, especially large ones. You can easily prove that eating dramatically reduces your body-oxygen content using a simple body-oxygen test (see the links below). It is a common effect that body-oxygen test results are reduced by up to 50% or 10 seconds due to ineffective breathing. Consequently, most people feel tired after eating. What is the mechanism?

Overeating produces a serious biochemical shock on the whole organism due to factors related to heavy breathing (or breathing more than the medical norm). Heavy breathing reduces CO2 in the blood and that causes constriction of blood vessels (see the image below) and the suppressed Bohr effect (less oxygen is released in tissues). Both effects lead to tissue hypoxia and feeling tired after eating.

Effects of overbreathing on brain oxygen levels Feeling exhaustion after eating and even getting drowsy and falling asleep after meals are typical signs of this biochemical shock. This effect of tiredness after eating lunch or other meals is much stronger after eating less nutritious food or junk food and especially overeating. Person is eating and gets tired after eating We start to generate free radicals in body cells causing oxidative stress or damage to tissues, when the body-oxygen levels drop below 20 seconds.

People with normal breathing parameters (or with more than 40 seconds for the body-oxygen test) do not feel exhaustion after eating and can do light physical exercise, like walking or gardening, with no problems. Furthermore, normal breathing also means fast digestion or about 2 hours to digest a normal or regular meal.

The same meal for a sick individual (e.g., with about 15 seconds for less for the CP or the body oxygen test) usually require about 1-2 hours more to get digested. The sick person would usually need a rest after a meal.

Causes of fatigue after eating

Changes in MV during last 100 years

The answer is simple: people used to have about 40-50 seconds for body O2. With such O2 levels, people crave physical exercise and do not feel tired after eating.

Feeling tired after eating, overbreathing and obesity

Many modern people, especially obese ones, feel sleepy and tired after eating. This is due to ineffective breathing patterns. The answer to this common problem and the most natural remedy for obesity is to normalize breathing and achieve more than 40 seconds for the body-oxygen test. Any time an overweight person eats complex carbohydrates or fats, his body-oxygen levels and breathing immediately become much worse. Furthermore, hunger for starches and fats indicate a state of stress and low body oxygen with higher heart rate. That immediately leads to feeling tired after eating.

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Lifestyle factor: Body oxygen < 30 s Body oxygen > 50 s
Energy level Medium, low, or very low High
Desire to exercise Not strong, but possible Craving and joy of exercise
Intensive exercise with nose breathing Hard or impossible Easy and effortless
Typical mind states Confusion, anxiety, depression Focus, concentration, clarity
Craving for coffee, sugar and junk foods Present Absent
Addictions to smoking, alcohol, and drugs Possible Absent
Desire to eat raw foods Weak and rare Very common and natural
Correct posture Rare and requires efforts Natural and automatic
Sleep Often of poor quality; > 7 hours Excellent quality; < 5 hours naturally

Why and how can hyperventilation cause obesity? According to Professor KP Buteyko, MD, PhD, and research conducted by Russian medical doctors, CO2 is also responsible for control of permeability membranes of fat cells. When we hyperventilate, due to low CO2, glucose is driven from the blood into fat cells, and the blood-glucose level naturally becomes low due to hyperventilation alone. Since glucose is crucial for the brain and well-being, it is sensible to eat in a manner that increases blood sugar levels up to the norm. Eating more intensifies respiration and this leads to the formation of a vicious circle:
- hyperventilation drives glucose into fat cells
- the person gets hungry
- he eats more and ...
- hyperventilates more.
Hence, over 70% of people "naturally" gain weight when they hyperventilate. And low brain and body-oxygen levels are the expected effects of overbreathing.

Man running on beach Conversely, when people start to slow down their breath while practicing reduced breathing (especially with the DIY breathing device or the Frolov device), they naturally have less hunger. If they start eating only when really hungry, they can easily lose weight. Physical exercise with only nasal breathing is another great way to fight obesity. These are the most natural methods or techniques to lose weight and increase body-oxygen levels. Moreover, breathing less makes obese people more alert and more energetic. All these factors make breathing retraining more meaningful than other weight loss techniques.

Permanent solution for feeling sleepy and tired after meals problem

You need to increase your brain and body-oxygen content up to 30 or more seconds so as to have much more energy and a clear mind 24/7. If you feel tired or sleepy after meals, this means that your current body oxygenation is less than 20 seconds, while the norm is about 40 seconds.

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