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Re:Ask HN: Has anyone fixed their own bruxism? by vitro on Sunday June 28, 2020 @03:35AM (#23667280)
Wind musical instrument is also a great way for learning how to breathe. I have started learning flute in my twenties and found out that I do not breathe properly. Find a good teacher. Yoga also helps.

With flutes, there are many, I have end up with shakuhachi, which I use in its original context, as a tool for meditation. When playing meditatively, it is easier to concentrate on your posture and breath, going through your body again and again, removing any unnecessary tensions. You can be more "in" the body, less in your head. Great practice!

Just playing it for 20 minutes changes your mood. Good luck!

Re:Ask HN: Has anyone fixed their own bruxism? by jacquesm on Sunday June 28, 2020 @05:22AM (#23667636)
It can help with lung capacity issues as well because both brass and woodwinds give your lungs a really good workout but make sure to keep your instrument very clean, especially the mouthpiece and the top of the tubes because you can easily contract a fungus that ends up in your lungs through them.
Re:Ask HN: Has anyone fixed their own bruxism? by graeme on Sunday June 28, 2020 @05:24PM (#23672181)
Would a harmonica work for this purpose, do you think?
Re:Ask HN: Has anyone fixed their own bruxism? by vitro on Tuesday June 30, 2020 @05:39AM (#23688332)
It could, but I cannot tell from my experience. Searching for "harmonica breathing exercise" gave me results with exercises that are similar to exercises for other instruments.