What does 就寝 mean?
就寝 is a Japanese noun meaning “going to bed; retiring (for the night)” in English. It is written as 就寝 in kanji, しゅうしん in hiragana, and shuushin in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
７時に鳴るように目覚しを掛けた後で、彼女は就寝した。
She went to bed, having set the alarm for seven.