I’m mildly annoyed that this is called the wim hof method and not pranayama (specifically bahi kumbhaka) when he practiced yoga for years before he came up with

I’m mildly annoyed that this is called the wim hof method and not pranayama (specifically bahi kumbhaka) when he practiced yoga for years before he came up with this. The whole process is lifted — the hyperventilation followed by the holding your breath on the exhale.