魔ま睡すい

noun

deep slumber (as if under a spell)

Refers to a profound, almost supernatural sleep, often with a literary or poetic feel. Not an everyday word for ordinary sleep.

• 彼かの女じょは魔ま睡すいに落おちたようにぐっすり眠ねむっていた。

  She was sleeping soundly as if she had fallen into a deep, spellbound slumber.