By Matt Fuchs November 21, 2024 1:28 PM EST A s a young physician in Sydney, Australia in 1979, Colin Sullivan conceived of an experiment to help people with nighttime breathing issues. After several months of waiting for the right patient, he met a construction worker so tired from disrupted overnight sleep that he habitually dozed off on the scaffolding.  The man had sleep apnea—his airway was obstructed, which interrupted breathing at night, waking him repeatedly. But he refused Sullivan’s