Published estimates
The national strategy cites jurisdiction-specific estimates rather than one definitive national percentage: 20% of fatal crashes in Victoria and 20–30% of deaths and severe injuries in Queensland.
Sleep and crash risk
The Australian strategy reports that drivers with four to five hours of sleep in the previous 24 hours face substantially higher crash risk than those with seven hours or more.
Why the number is uncertain
Fatigue leaves no simple roadside measurement after a crash. Police evidence, witness accounts, road characteristics, work schedules, and coronial findings capture different parts of the problem.
Use dates and definitions
A percentage of fatal crashes cannot be compared directly with a percentage of deaths and serious injuries. Always retain the jurisdiction, period, and outcome definition.
Work-related driving
Heavy-vehicle and employer fatigue controls include hours, breaks, accommodation, scheduling, and chain-of-responsibility obligations. A consumer alert app is not a substitute.
EyeJolt boundary
EyeJolt does not claim to prevent crashes. A drowsy driver should stop somewhere safe and rest.
Sources
Written by the EyeJolt Editorial Team. Published and last reviewed 2026-07-14. Editorial policy.