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Updated: Feb 17, 2026

Collecting Sleep, Circadian, Fatigue, and Performance Data in Complex Operational Environments
Published on: August 8, 2019
1Betty Kupperschmidt, PhD, RN, is retired after 55 years of nursing in clinical, administrative, and educator roles. She is professor emeritus, University of Oklahoma, Tulsa, and a Colson Fellow. Betty teaches Biblical Worldview at Parkview Baptist, Tulsa, and is active in professional organizations and volunteer work.
Concerns exist regarding nurse fatigue and patient safety with 12-hour shifts. This study questions if wiser scheduling, not necessarily elimination, could mitigate negative outcomes of extended nursing shifts.
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