all thing yoga or meditation related adviced above are mainly focused on breathing basically, so any advice in that sense require at least breathing in some spe

all thing yoga or meditation related adviced above are mainly focused on breathing basically, so any advice in that sense require at least breathing in some specific ways. Maybe electroinduction in the brain can achieve similar conditions. You aid to brain phisiological alterations, so it's quite difficult play with it without touching the ways it works from external eg with drugs, sugar levels, oxygen levels, electromagnetic induction (I'd consider co2 levels a drug for example)