Skip to content
Better HN
Top
Best
Ask
Show
New
Jobs
Search
⌘K
0 points
petodo
3y ago
0 comments
Save
Share
I remember reading about it, but care to explain simply why it helps?
0 comments
2 comments · 1 top-level
top
newest
oldest
TamDenholm
3y ago
· 1 in thread
Not an expert but my basic understanding is that the hyperventilating before holding your breath basically oxygenates your blood so that you can hold for longer.
postsantum
3y ago
No, that's because hyperventilation washes out CO2 so the CO2 alarm going off later than usual
j
/
k
navigate · click thread line to collapse