A very solid test! There could be more experimantation… How about testing the average &am
A very solid test! There could be more experimantation… How about testing the average “point of consiousness”? Will it be better if there’s like 30 seconds of air and 5 seconds without? How about extending extending it to 6, 7, 8 … 55 every round? -- source link
#experiment#breath control#breath hold