Ah, thanks for the reminder. I've thought multiple times that this sounds interesting and I should give it a go but kept forgetting to follow up and figure out WTF box breathing actually was. Now embarrassed at how simple it is.
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(As I understand it, which may be fake science) hyperventilating increases your oxygen usage subsequently, and all you really want to do anyway is lower your CO2 levels (which are what triggers the need to breath reaction, not a shortage of oxygen)
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did some reading about this a while ago – I'm not super-confident but my sense is that you're broadly correct except for some nitpicking about "lower CO2 levels" – it's complicated bc of the exchange processhttps://twitter.com/visakanv/status/1219518655970459649 …
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Oh hey that worked pretty well, hit 90s on my first try
Thanks. Twitter will use this to make your timeline better. UndoUndo
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