JP vs US lol

I'm on the US side

I really don't understand why jp people only admire how long you over work.
It is actually wasting time and energy.
A Human being can not concentrate on one thing for too long . 3 hours are maximum .

Ahhhh...I'm sleepy...

I only slept 4 hours today and was doing shit and went to an interview .
I talked with a Japanese CEO but I think I'm over 
Energetic for Japanese people.
I may hurt them. So I should not do this.

Sleepy...