Don't know why you're getting downvoted, but to support your point, they consume waaaay less caffeine and alcohol than the u.s. most are allergic to alcohol.

Don't know why you're getting downvoted, but to support your point, they consume waaaay less caffeine and alcohol than the u.s. most are allergic to alcohol. Missing sleep isn't a competitive sport. Their bodies are much more homogenous and obesity I estimate less than 3%. Also in corporate cafes, foods are still very traditional. Notably their eyes are relatively poor. Almost 90% have corrected vision. Often in large meeting 100% will be wearing glasses.