1 {scene: darkness, Monty's cabin on the train}
1 SFX: clickety clack clickety clack
1 Monty: {thinking} Will we find Ginny and Erwin at Abydos? Have they already found the Crook of Osiris?
2 Monty: {thinking} Are Nazis out to resurrect Hitler's Brain? I bet Dad and Pop are also lying awake worrying how we can save the world this time...
2 SFX: clickety clack clickety clack
3 SFX: clickety clack clickety clack
3 SFX: snoore!... {Prof. Jones is asleep}
4 SFX: clickety clack clickety clack
4 SFX: snooore!... {Minnesota Jones is asleep}

Having travelled in sleeper cabins on trains, I can assure you that the Jones's cabins are much more spacious than real train sleeper cabins.