Try it. You can go about 30seconds in a calm situation where you know what to expect before the panic overwhelms you. With a sudden event, you’d have about 15

Try it. You can go about 30seconds in a calm situation where you know what to expect before the panic overwhelms you. With a sudden event, you’d have about 15 seconds because there’s a lot to panic about. Edit: just tried. 25s panic started, 30s my chest was trying to inhale, 36s I had to let myself breathe. This was at my desk while calm and in control. On a plane I’d probably panic sooner and might be able to go a full minute before actually passing out. Edit 2: I did use to freedive as a kid and am in very good shape (45 resting heart rate) so maybe that helps