すいみんよきん 睡眠預金 LinksSentence search for 睡眠預金Sentence search for すいみんよきんKanji details for 睡, 眠, 預 and 金Edit in JMdict Noun1. inactive bank account (no withdrawals or deposits made, and to which the owner's rights have been terminated) Discussions Log in to talk about this word.