Hadith #5901 (Sahih Muslim)
Book: The Book of Virtues
Narrator(s): Um Sulaim
Grade: Sahih

Umm Sulaim, what is this? She said: It is your sweat, which I put in my perfume. Allah’s Apostle (ﷺ) sweated in cold weather when revelation descended upon him.

Source: https://parallelquran.com/hadith/sahih-muslim-5901/