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Fadenself00

Member
Sep 21, 2025
68
hey! would it be possible to make this method more portable, by taping your mouth and nose shut, after completing the hyperventilation?
Secondly, should the last breath after the hyperventilating be breath-in or out?
It is your brainstem doing the breathing while you're out, right? will it try to force breathing only to a certain point, or would other reactions occur if your mouth+nose is blocked?

Having this method more portably accessible, would be appreciated.


(somewhat of a repost, as i posted this as reply in a different thread before)
 
penguinl0v3s

penguinl0v3s

Wait for Me 💙
Nov 1, 2023
967
I've known multiple people try this and not succeed. It seems very hard.

I don't think blocking your nose would be beneficial because then you wouldn't breathe in water as easily.
 
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Fadenself00

Member
Sep 21, 2025
68
I've known multiple people try this and not succeed. It seems very hard.

I don't think blocking your nose would be beneficial because then you wouldn't breathe in water as easily.
i was talking about blocking your airways with tape, *instead* of using water. ( tried this, and couldn't get the tape to seal)

How did they not succeed with it? Were they unable to get themselves to pass out?
 
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Fadenself00

Member
Sep 21, 2025
68
I'll be testing the method in the coming days. I have an oxymeter as well. gonna report back.
ive seen breath-in as deep as possible (1s) and breath-out as deep as possible (1s) mentioned as most effective and to avoid hasted/too rapid hyperventilation
 
tragicfanatic

tragicfanatic

Sunsets prove that endings can be beautiful, too ♡
Oct 9, 2025
18
I've tried SWB myself and I couldn't get myself to pass out, but it varies from person to person. I'm not sure how reliable the method actually is, though.
hey! would it be possible to make this method more portable, by taping your mouth and nose shut, after completing the hyperventilation?
The end goal would be passing out. You pass out through hyperventilating. You would need to be conscious to tape your mouth and nose. If you tape your mouth and nose, you can't hyperventilate. If you can't hyperventiliate, you can't pass out. You dig? If you passed out, then fell into water, that may work. But I'm not sure a portable SWB with tape would. If I'm wrong, please feel free to correct me!

Your other two questions, I don't know, sorry. 😔
I'll be testing the method in the coming days. I have an oxymeter as well. gonna report back.
Good luck!

Sending love and support. ♡
 
F

Fadenself00

Member
Sep 21, 2025
68
The end goal would be passing out. You pass out through hyperventilating. You would need to be conscious to tape your mouth and nose. If you tape your mouth and nose, you can't hyperventilate. If you can't hyperventiliate, you can't pass out. You dig? If you passed out, then fell into water, that may work. But I'm not sure a portable SWB with tape would. If I'm wrong, please feel free to correct me!
that is not quite what SWB is.

The goal is to hyperventilate for many minutes and to then hold your breath.
hyperventilating is done to get your co2 down.
breath holding is done to pass out from lack of oxygen.
The idea is that, with this, you're able to pass out before the feeling of suffocation sets in (as this is caused by high co2 levels).
So you have a time window where you can get underwater/do something else to block your airways.

Afaik, *during* hyperventilation, your oxygen saturation stays up
 
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tragicfanatic

tragicfanatic

Sunsets prove that endings can be beautiful, too ♡
Oct 9, 2025
18
oh, no, that is not quite what SWB is.

The goal is to hyperventilate for many minutes and to then hold your breath.
hyperventilating is done to get your co2 down.
breath holding is done to pass out from lack of oxygen.
The idea is that, with this, you're able to pass out before the feeling of suffocation sets in (as this is caused by high co2 levels).
So you have a time window where you can get underwater/do something else to block your airways.

Afaik, *during* hyperventilation, your oxygen saturation stays up
Oh, I get it! I'm sorry, it seems I misunderstood SWB - forget what I said, and thank you for correcting me!
Oh, I get it! I'm sorry, it seems I misunderstood SWB - forget what I said, and thank you for correcting me!
Also, now that I think about it, this may be the reason why SWB never worked for me. Maybe I was doing it wrong the whole time?
 
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Fadenself00

Member
Sep 21, 2025
68
Oh, I get it! I'm sorry, it seems I misunderstood SWB - forget what I said, and thank you for correcting me!

Also, now that I think about it, this may be the reason why SWB never worked for me. Maybe I was doing it wrong the whole time?
i've tried it very spontaniously after i wrote that comment yesterday, not hyperventilating very long, and got down to 74% oxygen saturation, though stopped due to panic-ish as well as slight suffocation feeling setting in. But everything was starting to get very dull
Also, now that I think about it, this may be the reason why SWB never worked for me. Maybe I was doing it wrong the whole time?
if you didn't hold your breath, most likely, yes.

I wish you all the best btw. and hope you find some way to rip the bus ticket <3
 
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tragicfanatic

tragicfanatic

Sunsets prove that endings can be beautiful, too ♡
Oct 9, 2025
18
The SWB megathread
i've tried it very spontaniously after i wrote that comment yesterday, not hyperventilating very long, and got down to 74% oxygen saturation, though stopped due to panic-ish as well as slight suffocation feeling setting in. But everything was starting to get very dull
There seems to be some success! Hyperventilating for longer or some of the tricks described in the SWB megathread would probably improve your chances.
 
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Fadenself00

Member
Sep 21, 2025
68
The SWB megathread

There seems to be some success! Hyperventilating for longer or some of the tricks described in the SWB megathread would probably improve your chances.
yes, it will most likely work pretty well if i really try it. it's just very cognitively exhausting and i have to time it correctly to not make anyone suspicious because it is quite noisy obviously
 
tragicfanatic

tragicfanatic

Sunsets prove that endings can be beautiful, too ♡
Oct 9, 2025
18
yes, it will most likely work pretty well if i really try it. it's just very cognitively exhausting and i have to time it correctly to not make anyone suspicious because it is quite noisy obviously
Oh, yes, definitely. It gets pretty loud. Also, make sure to have strong tape if you're using tape! The megathread says that you should black out long before you feel the effects of suffocation, so SI shouldn't be that big of a problem (I think), but regular tape can still fall off easily if your body is still trying to breathe while you're unconscious.
 
F

Fadenself00

Member
Sep 21, 2025
68
Oh, yes, definitely. It gets pretty loud. Also, make sure to have strong tape if you're using tape! The megathread says that you should black out long before you feel the effects of suffocation, so SI shouldn't be that big of a problem (I think), but regular tape can still fall off easily if your body is still trying to breathe while you're unconscious.
with the tape ive tried, air just finds a way out after a while, so i'll probably be looking at a big laundry basket and filling it with water.
its just that i cant be certain if a bathtub will always be available to me (it currently is).
if i find a way to make a sturdy(!) water bucket setup, that would be quite portable. I wouldn't even really need a place to live and could just go with one to a river deep in the woods or something
 

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