"Now there are warning systems that tell you you are deviating from the correct altitude but they are not excessively loud - it would be easy enough to sleep through that, and I probably don't need to tell you what the consequences of that are."
The solution is to make them louder so they wake the pilots up as they are all too lazy and falling asleep on the job.
Balpa would like the new regulations to be set at the tougher, UK level. But other countries would be likely to object, saying that would be too much regulation and would damage their airlines
This industry has painted itself into a corner. The one thing you can't change, no matter what, is Human Factors. Humans have a limit and beyond that limit the only guarantee you have is a sharp degradation in performance.