Optalert
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Optalert has developed the world’s only scientifically-proven real-time operator early warning fatigue and drowsiness detection system. Our products have been installed in workplaces across the world and are helping reduce the very real cost of fatigue and drowsiness by preventing accidents before they happen. Optalert’s products have been developed with more than 20 years of research and have rec
01/07/2026
A driver does not immediately become high-risk the moment they close their eyes.
The risk developed earlier, often well before any visible sign of drowsiness appeared. By the time head nodding or long eyelid closures (LECs) appear, the window to intervene is almost closed.
Most fatigue monitoring technologies rely on these late-stage indicators. Such systems detect impairment only after it has already reached a critical level.
Our latest Insights article looks at why early-stage detection changes the equation, and how predictive monitoring (powered by the Johns Drowsiness Scale) gives supervisors time to act before driver error occurs, rather than responding once it has.
Why early detection of drowsiness risk is essential in mining operations - Optalert On a mine site, risk is elevated long before an operator closes their eyes. The risk begins earlier, during the progressive build-up of drowsiness-related impairment.
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