Whether sleeper train seats recline depends heavily on the specific "class" of service and the region where you are traveling. In a standard "Sleeper" compartment (like an Amtrak Viewliner or a European Nightjet), the "seats" are actually large, wide benches that face each other; these do not recline in the traditional sense but instead fold down completely flat to form the lower bed (berth) for the night. However, if you are traveling in a "Sleeper Coach" or "Deluxe Seat" (common in Asia and on some budget European routes), the seats are designed to recline significantly—often up to 140∘ or 160∘—and feature integrated leg rests to allow for sleep without a full bed. On many long-distance Indian or Chinese trains, "Soft Seats" recline slightly for daytime comfort, while the "Hard Sleeper" section provides fixed bunks with no reclining mechanism at all. Generally, if you have booked a private cabin, you sacrifice the "recline" feature for a completely horizontal sleeping surface, which most travelers find far superior for actual rest compared to even the most luxurious reclining chair on a standard daytime carriage.