寝台

1. Origins, structure, and basic meaning

• Structure: 寝台 (しんだい) is a noun for a bed, hospital cot, or sleeping berth on a train.
• Basic usage: It describes a berth on a night train or a bed placed in a hospital room.
  • 夜行列車の寝台で静かに本を読んだ。 — I quietly read in the sleeping berth on the night train.
  • 病室には白い寝台が二つ置かれている。 — Two white beds stand in the hospital room.

2. Common pitfalls and similar expressions

• Train berth and ordinary bed
  • 寝台 can mean a train berth or a bed in a room, and the surrounding location determines the specific sense.