Here are more tips on reading train schedules . Many train travelers are ripped off while they sleep. Those sleeping for free in regular cars should exercise extreme caution. Women need to be particularly careful. Sleeping in an empty compartment in southern Europe is an open invitation to your own private Casanova.
Every car has plenty of room for luggage.
I've never checked a bag. Simply carry it on and heave it up onto the racks above the seats. The only thing you should ever need to check would be a bicycle. Not every train has a baggage car, so confirm your plans at the station's information office. Luggage is never completely safe on trains.