Tristan Vick here...
Here's a fun article on 'inemuri' that I wrote back in 2013 but decided to spruce up a bit.
'Inemuri' if you don't already know translates to "sleeping while present."
It's essentially the Japanese custom of sleeping on the job -- but the deliberate kind -- like you see with CEOs and politicians on TV, or your boss at work, or the super intendant at your school during opening or closing ceremonies, sports days, or any other day for that matter.
Interesting & Fun Facts About Japan #3 The Sleep @ Work Culture of Japan
Japan is famous for the image of the salary man (i.e., business man) or politician falling asleep at work. Usually at his desk. While western people may find this odd, sleeping while on the job is...