
What happens inside.
The rapid breathing shifts carbon dioxide out of the bloodstream — respiratory alkalosis — and the body answers with adrenaline: roughly a threefold rise in the 2014 PNAS study, without any fear to cause it.
On the EEG, thirty to forty power breaths produce a gamma burst; the empty-lung hold sinks into deep theta; the recovery breath settles into stable alpha. This is the mechanism behind the anti-inflammatory effect and the sense of electric aliveness.
