Hazard and Risk Perception
How does driving while tired affect a driver?
- ✓It impairs reaction time in a way similar to alcohol
- ○It improves concentration by increasing alertness
- ○It has no measurable effect on reaction time
- ○It only affects night driving, never daytime driving
Correct answer
It impairs reaction time in a way similar to alcohol
Severe sleep deprivation produces impairment comparable to alcohol intoxication. Reaction time, decision-making, and hazard perception all deteriorate significantly when a driver is tired.
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