“…20 Other factors such as long A c c e p t e d P a p e r commute times, skipped rest breaks, insufficiently regulated overtime, multiple jobs, caregiver duties, and social commitments also contribute to mental fatigue. 5,[21][22][23][24] Mental fatigue is associated with considerable risks to employees, employers, and society at large. 5,9 Acute, short-term risks include reductions in performance, effectiveness, and productivity 5,25,26 ; increased errors and do-overs 26,27 ; absenteeism 24,28 ; "presenteeism," wherein the worker is on task but performing below capacity 26,28 ; ineffective teamwork 29 ; immoral or unethical behavior 30,31 ; reduced job satisfaction 32 ; degraded quality of life 33,34 ; decreased morale 29 ; reduced safety 35,36 ; workplace accidents and injuries 4,[37][38][39] ; motor vehicle crashes during the commute 40 ; and high-profile industrial catastrophes.…”