I don't know if you're British since this seems to echo the weird comments at the beginning of the article, dissing trains for apparently no particular reason.
But no, he's likely been sleeping in beds since he's first class in night trains, in 3-bed compartments that generally have showers as far as I know. The lights can obviously be turned off.
From his blog: "I spent many nights trying to figure out the best way to sleep in first class. In the end, sleeping on an air mattress under the seats proved to be a good idea."
Yes. DB doesn’t operate any sleeper cars. All sleepers operating in Germany are by international corporations (ÖBB, etc). But they aren’t covered by a DB BahnCard 100.
The trains he mentions are just regular ICEs that operate for some overnight trips.
I can imagine how this can be reasonably comfortable in an older ICE1 in first class, but i wouldn’t want to sleep on ICE4 seats for extended periods of time
But no, he's likely been sleeping in beds since he's first class in night trains, in 3-bed compartments that generally have showers as far as I know. The lights can obviously be turned off.