Originally Posted by
brakedwell
In the early nineties we used to fly from Munich to Los Angeles in a 767 with a two pilot crew. About 13 to 13.5 hours and I can vouch that I was not near the top of my performance when we arrived at LA in the early evening rush time. I was very pleased to retire not long after we flew these scheduledt flights.
Extrapolate that to conclude that many, many thousands of flights have been flown with one or more crew members feeling the way you did and it's difficult not to reflect on how incredibly lucky we are that our "systems", ground and air, are reliable and safe.