Look at railway maps in Tokyo

Or if you are too lazy to search, https://youtu.be/3NfUAO_KjQA

I could actually “feel” my body turning off but then I notice it and move which makes me fully awake again and I have to wait for myself to fall asleep again

The main reason for tank crews(at least the commander) to open their hatches is not for ventilation, but for visibility and situational awareness.

cough cough North Korea cough cough

Pretty sure only you thought that