I disagree with that assessment. Speaking as someone who has done both stupidly early commutes, and 26-hour roadtrips where I have both successfully and unsuccessfully attempted the trip in one go. 72,000 crashes attributed to being drowsy when driving suggest strongly to me that this was a driver who was drowsy when they got behind the wheel in the first place. It seems a lot more likely than a driver who says “Hrm, well, I’m sleepy, so let me take a nap on the way to work” as a deliberate act.
And yes, in my case, I had an amazing warning system in my vehicle. My partner, who cannot drive herself but had no problem saying “Ok, your head has nodded every 10 seconds for the last few minutes, and you’re drifting in your lane. We are stopping at the next hotel”.
