I think the link leads to a well produced report, not much we don't already know, but interesting to see just how many PhDs it takes to change a regulation - either way.
The problem is the quality of sleep 'we' get even if we get say, 12 hours off. Being moved to a lesser hotel to save money - with a longer drive and the road being drilled up outside - was something of a last straw with me in one airline.
The drinking thing is so interwoven with pilot fatigue. In the 'good' old days, there was enough time for the hard-bitten old skipper to down a few ales, and snore his head off for the next few hours. Now, it's doubtful he'd be legal in the morning. It was a fix for a career-long difficult situation, but now new findings show there's a significant cancer risk in drinking. Shut doors every way you turn these days.