不ふ眠みん不ふ休きゅうふみんふきゅうMeanings1noun, noun which may take the genitive case particle 'no'without sleep or rest; working day and nightyojijukugo (four-character idiom)›Describes continuous effort or activity without sleeping or taking a break. Often used in contexts of intense work, study, or emergency response.医い師したちは不ふ眠みん
