Is this the red eye Cochin were talking about?
If it is then fatigue IS a factor as well. We've all been through the though 3 am departure with little rest during the day before (because we're human) and we all know how slow our brains work at that time of day.
God knows how many night flights he has had and how many hours he has flown. Easy on our colleague please. It could be any one of us being on the sharp end of the stick that day.
FOTD