This one is pretty simple to explain too.
The average Japanese worker works long hours. They’re exhausted.
Some of them have very long commutes to get back to the suburbs. This is their mini-break before getting home to more responsibilities.
As you can imagine, with the long work hours and then more to do at home, many Japanese are chronically short on sleep.
The real reason people can sleep on the train though is this. The crime rate in Japan is so low. While there are thieves, pick-pocketing is so rare people can comfortably sleep.
Here’s a fun video showing people sleeping on the trains.
That’s all for now. In the next chapter, we’ll cover some interesting cultural questions about Japanese people.
Next Page: Chapter 7: Japanese People