不ふ眠みん不ふ休きゅう

noun, noun which may take the genitive case particle 'no'

without sleep or rest; working day and night

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不ふ休きゅうで患かん者じゃの治ち療りょうにあたった。

  The doctors treated the patients without sleep or rest.

• 不ふ眠みん不ふ休きゅうの努ど力りょくが実みを結むすんだ。

  Their tireless efforts bore fruit.