Mike your concern about my health during the night is "moving"! When you say citizens I guess you're talking about this part of the world we should not forget this forum is worldwide so never sleeps!
As E.B says
But when I wake up at c 4.00-5.00am for me I generally have a look in here, so I am often here at odd hours. Conclusion, my weewee is jet lagged!
Yes some troubles around which makes my brain working hard at night it was the case when I was running a company whatever the size and number of employees.
C'est la vie!