就しゅう寝しん時じ間かんしゅうしんじかんMeanings1nounbedtimeRefers to the time one goes to bed or is supposed to go to bed. Slightly formal; in casual speech 寝る時間 is more common.就しゅう寝しん時じ間かんは夜よる10時じです。My bedtime is 10 p.m.子こ供どもの就しゅう寝しん時じ間かんを守まもらせるのは大たい変へんだ。It's hard to make children stick to their bedtime.