Updated 2019 Advantages & Disadvantages of 12-Hour Shifts.
Twelve-hour shifts are still one of the most frequently debated topics in shift work management.
Managers, shiftworkers, union representatives, federal regulators, corporate policy-makers,
and academic experts continue to question and debate how 12-hour shifts compare to 8-hour
• What is the impact on performance
productivity and quality?
• What effects
do they have on shift worker
alertness, health and family life?
• Do they cause problems for
CIRCADIAN has collected new data from 50,000 shift workers and managers at 24/7 operations who use 12-Hour shifts to gather unique insights about the practices, policies, results and impacts of these schedules. (Updated 2019 Version)