Emergency and passenger rights European Sleeper (14)

My European Sleeper train was cancelled well before departure. What am I entitled to? And what do I need to do?

My European Sleeper train has been cancelled. I am at the station. What do I need to do?

My European Sleeper train has been shortened or diverted and is not stopping at my departure or arrival station. I was informed about this before departure.

My European Sleeper train has been shortened or diverted and is not stopping at my departure or arrival station. I am en route.

My European Sleeper train is seriously delayed and I'm waiting at the station. What do I need to do?

The timetable of my European Sleeper train has changed, and it is departing earlier than stated on my ticket. What am I entitled to? And what do I need to do?

My European Sleeper train has a new timetable, and it will now arrive at the arrival station at least 60 minutes later than stated on my ticket. What am I entitled to? And what do I need to do?

My European Sleeper train was considerably delayed en route. What am I entitled to? And what do I need to do?

May I travel with my European Sleeper ticket on a train operated by another rail company if European Sleeper is delayed or cancelled?

I travelled in a lower comfort class than stated on my ticket because my comfort class was not available. Am I entitled to compensation?