Health... strengthen throat muscles.
https://www.sciencealert.com/blowing-a-conch-shell-each-day-could-help-treat-sleep-apnea
"It involves a deep inhalation followed by a forceful, sustained exhalation through tightly pursed lips. This action creates strong vibrations and airflow resistance, which likely strengthens the muscles of the upper airway, including the throat and soft palate – areas that often collapse during sleep in people with OSA."
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