37 days into quitting smoking and breathing exercises have been a huge help for the craving spikes. a simple terminal tool for paced breathing actually makes a lot of sense - when the craving hits at 3pm and youre staring at a screen anyway, having it right there in the terminal is way less friction than pulling out a phone app. starred.

Very nice. I have no heart issues but have been experimenting with extended breathing/longer exhales to calm down my sympathetic nervous system. I believe intentional breathing is a big, mostly underutilized tool all of us have to be generally more relaxed and healthier and also to calm ourselves down in stressful situations

I love the zero dependency implementation. I do this style of breathing during specific time periods of practicing Qi Gong. I will try your script when I get to my laptop. Thanks.

Looks interesting. And it's pure Python with no 3p packages. Pretty trivial to support other OSes: make that audio player invocation configurable.

This is cool, I have SVT and usually am able to stop an episode if I do slow breathing like that; although sometimes if that doesn’t work the modified reverse valsalva manoeuvre does it every time.

This reminds me of another HRV training from few years back shared here.

- https://news.ycombinator.com/item?id=37538028

- https://github.com/kieranabrennan/every-breath-you-take

Nice work on the zero-dependency approach. I'm building a similar tool for Windows (voice-to-text) and the "no account, just run" philosophy resonates — friction kills daily habits.

Terminally breathing

this book is somewhat useful

https://archive.org/details/etaq_light-on-pranayama-b-k-s-iy...

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