Sahih Muslim 2332
Sahih Muslim · Book 43: The Book of Virtues · The Fragrance Of His Sweat, And Seeking Blessing Therefrom
Umm Sulaim reported that Allah's Apostle (ﷺ) visited her house and (took rest) and she spread a piece of cloth for him and he had had a siesta on it. And he sweated profusely and she collected his sweat and put it in a perfume and in bottles. Allah's Apostle (ﷺ) said:
حَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ ، حَدَّثَنَا عَفَّانُ بْنُ مُسْلِمٍ ، حَدَّثَنَا وُهَيْبٌ ، حَدَّثَنَا أَيُّوبُ ، عَنْ أَبِي قِلاَبَةَ ، عَنْ أَنَسٍ ، عَنْ أُمِّ سُلَيْمٍ ، أَنَّ النَّبِيَّ صلى الله عليه وسلم كَانَ يَأْتِيهَا فَيَقِيلُ عِنْدَهَا فَتَبْسُطُ لَهُ نَطْعًا فَيَقِيلُ عَلَيْهِ وَكَانَ كَثِيرَ الْعَرَقِ فَكَانَتْ تَجْمَعُ عَرَقَهُ فَتَجْعَلُهُ فِي الطِّيبِ وَالْقَوَارِيرِ فَقَالَ النَّبِيُّ صلى الله عليه وسلم " يَا أُمَّ سُلَيْمٍ مَا هَذَا " . قَالَتْ عَرَقُكَ أَدُوفُ بِهِ طِيبِي .
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.