Can confirm, I spent that long in a coach seat on the California Zephyr from Chicago to Reno. I wouldn't exactly call it world-class comfort to sleep under such

Can confirm, I spent that long in a coach seat on the California Zephyr from Chicago to Reno. I wouldn't exactly call it world-class comfort to sleep under such conditions, and I wouldn't recommend it to someone with a bad back, but I've slept in far worse (but then again, I'm a weirdo).