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Hospitals are redesigning break rooms to protect the —wellbeingwellnesshealthinessfitness of staff who work through the night. Research shows that —brightbrightlybrightnessbrighten light exposure during the early hours can supress melatonin and disrupt the body's natural —rhythmrhythmicrhythmicallyrhythms. Managers are also encouraged to —scheduleschedulingscheduledschedules shorter shifts near dawn, when alertness typically falls.