The Impact of 12-Hour Versus 8-Hour Shifts on Intensive Care Unit Nurses' Physical and Mental Well-Being and Job Satisfaction: A Systematic Review

Background

Twelve-hour shifts have been widely implemented in intensive care units (ICUs), where nurses work in high-acuity environments requiring sustained clinical attention. However, evidence regarding the impact of shift length on ICU nurses' physical health, mental well-being, job satisfaction and patient-care outcomes remains limited and inconsistent.