You have three choices of accommodation on overnight trains: Economy, Comfort, and Premier Class.
In Economy Class, you can relax in a reclining seat, a ‘couchette’ that is a shared compartment with up to 6 beds, or an economy compartment with 3 to 4 beds.
In Comfort Class, you’ll share a more relaxing lockage compartment with one or two beds and a wash basin in he compartment.
Lastly, on some trains, you can book a Premier Class ticket for a great night of sleep with private, lockable accommodations for one or two, a private shower and toilet, and include breakfast and on some trans, dinner.
Sleeping accommodations vary by train type and by route. Be sure to read the product details for the overnight train you’re interested in to see what that train offers in each class of service.