[dbt00]

I recently saw this study, but it's almost 20 years old, I don't know if there's more recent data available.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1360393/

"Didgeridoo playing as alternative treatment for obstructive sleep apnoea syndrome: randomised controlled trial"

[exo-pla-net]

Results: significantly less snoring and sleep apnea. N=25

[swsieber]

This deserves its own submission I think.