にっぽんすいみんがっかい 日本睡眠学会 LinksSentence search for 日本睡眠学会Sentence search for にっぽんすいみんがっかいKanji details for 日, 本, 睡, 眠, 学 and 会Edit in JMdict Noun1. Japanese Society of Sleep Research; JSSROrganization nameOrganization2. Japanese Society of Sleep Research; JSSR Discussions Log in to talk about this word.