Driver condition and attention
Fatigue gets worse before you admit it
Tiredness slows your reactions and affects your judgement. The only fix is rest.
What to watch for
The question mentions tiredness, sleep, long trips, night driving, or microsleeps.
The rule
The rule explains exactly how to answer any question of this type — and why the obvious wrong answer fails.
See the rule →Common trap
Don't think music or cold air will fix sleepiness — only rest does.