About road safety: Yes. Seriously lol please put a bit of your own energy in searching this.

And it's not "to make the specialists happy", it's to increase safety according to the knowledge accumulated thanks to such specialists.

(ok I see "neo-luddite" in your profile, but usually that does not entail "not trusting scientists/specialists")

You have a flesh brain like everybody else, with biological limitations that lead to fatigue and decreased attention after a long drive without sufficient pause.