I have my CDL, and have done a lot of truck driving back in the day. Over the past few years I have had the pleasure of experiencing the latest crop of drivers when we have to ship stuff out.
The old days of the Good Ol'e Boy truck drivers are long gone. Now none of them speak english, most wear turbans. Barely any of them know how to even back up to a dock. I have no idea how any of their trucks could pass a DOT inspection.
One of the latest shipments we had to ship out was on a box truck. The dude had a hole cut in the back of his cab into the delivery box. He made a box in the delivery box where he slept, then he had a hole cut in the bottom of the box where he would shit. I should have taken a picture but I was way to disgusted.
edit: I did find a picture of his sleeping arrangement, you can see the spray foam insulation sealing in his little cubby where he sleeps.
View attachment 189614