This study compared the sleep, fatigue, and workload of Air Traffic Controllers across a counter-clockwise schedule (4 days on, 2 days off) with those across a clockwise schedule (6 days on, 3 days off, 4 days on, 2 days off). Performance on the night shifts in each roster pattern was also assessed.

Investigators: Leigh Signal, Jennifer Zaslona, Margo van den Berg, Lora Wu and Philippa Gander

Collaborators: Airways New Zealand

Funding: Airways New Zealand