When you hold your breath to the maximum your body will allow, be it underwater or just in air, you can gain a few seconds extra by slowly releasing your breath. It will feel better and your body won’t react like it is suffocating while you are doing it. Why does this happen? We’ve all tried to hold our breath for as long as we can. We take a huge intake of air and then hold it as much as we can. But, when you breathe out slowly the “air” that’s in your lungs, you don’t feel like you are going to suffocate while doing it. In fact, it’s almost like a great relief. Why is that?
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Because your body doesn’t register a lack of oxygen. It senses a buildup of CO2.
That’s why hypoxia can be so insidious. Your body doesn’t react much to the oxygen deficiency until your cognitive function starts to suffer.
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