寝ね汗あせ

noun

night sweats; sweating during sleep

Refers to excessive sweating while sleeping, often associated with illness or fever.

• 風邪かぜをひいて寝ね汗あせをかいた。

  I caught a cold and had night sweats.

• 寝ね汗あせがひどくて、パジャマがびしょびしょになった。

  My night sweats were so bad that my pajamas got soaked.