Sleep apnea, restless leg syndrome, and insomnia are just a few sleep disorders that affect all employees, not only truck drivers. According to the National Safety Council (NSC), fatigue is a factor in 13 percent of workplace injuries, and “43 percent of Americans admit they may be too tired to function safely at work.” For motor carriers, a great deal of emphasis is placed on driver fatigue – and rightly so – but fatigue-related crashes and injuries are just part of the risk. Fatigue affects cognitive performance (i.e., short-term memory loss, concentration, etc.), work performance (i.e. decreased productivity, errors, etc.), personal health (i.e., depression, obesity, cardiovascular disease, etc.), and carries financial consequences such as increased health care costs.