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Saint Luke’s Sleep Disorders Program is a comprehensive, full-service program diagnosing and treating a wide variety of sleep disorders for more than 35 years.

David had bypass surgery in 1997 and thought his heart was doing well until he experienced another cardiac event out of nowhere.

David Hartzler was the epitome of health. A former collegiate swimmer, he had continued the sport into adulthood. Three times a week, the Lawrence, Kan., resident swam 3,000 meters with the Lawrence Masters Swim Club.