I also am inclined to believe that lack of sleep plays a roll. I remember only getting about 4 hours a night with 17% O2 levels while eating trash. But I never steered a ship. Also, that would play a convenient excuse for underlying issues. I've considered this concern before, but I was and am a small fish in a large ocean in the Navy. Soon to be an even smaller fish.
I also am inclined to believe that lack of sleep plays a roll. I remember only getting about 4 hours a night with 17% O2 levels while eating trash. But I never steered a ship. Also, that would play a convenient excuse for underlying issues. I've considered this concern before, but I was and am a small fish in a large ocean in the Navy. Soon to be an even smaller fish.