寝室

1. Origins, structure, and basic meaning

• Structure: 寝室(しんしつ) is a bedroom, a room used for sleeping.
• Basic usage: It appears when fitting curtains or describing the inside and outside of a room where someone is asleep.

2. Common pitfalls and similar expressions

• A room and a sleeping place
  • 寝室 names the room, while 寝床 names the place for sleeping, such as a bed or bedding.
• Whole-word reading
  • 寝る is read ねる, but in 寝室, 寝 is read しん.