Microsleep
CDC/NIOSH microsleep training explains that involuntary sleep episodes may last seconds and may occur while a person appears awake.
Driver fatigue
CDC/NIOSH driver fatigue guidance covers causes, effects, workplace controls, and warning signs.
Drowsy driving
NHTSA drowsy-driving guidance covers current US figures, risk periods, prevention, and short-term interventions.
Medical advice
NHS excessive daytime sleepiness guidance explains when recurring daytime sleepiness warrants professional assessment.
Australia
Australia’s National Road Safety Strategy fatigue page provides jurisdiction estimates, crash-risk context, and fatigue-management guidance.
United Kingdom
The UK Department for Transport factor guide and road-safety data tables explain the STATS19 series and its interpretation limits.
Written by the EyeJolt Editorial Team. Published and last reviewed 2026-07-14. Editorial policy.