What Can You Do to Prevent Fatigue Issues with Shiftwork? Shiftwork and shift workers are necessary and instrumental in keeping so many vital operations goings 24 hours a day, seven days a week. This could mean working nights or alternating days, nights and afternoons, or other irregular shifts. Twenty-five percent of workers in North America are shift workers. Shiftwork has been associated with health and safety risks, both in and out of work. There is strong evidence that shiftwork is associated with an increased risk of occupational injury due to:

• Worker fatigue.
• Less supervision.
• Less co-worker supports.