Sahih al-Bukhari 286

Arabic

حَدَّثَنَا أَبُو نُعَيْمٍ، قَالَ حَدَّثَنَا هِشَامٌ، وَشَيْبَانُ، عَنْ يَحْيَى، عَنْ أَبِي سَلَمَةَ، قَالَ سَأَلْتُ عَائِشَةَ أَكَانَ النَّبِيُّ صلى الله عليه وسلم يَرْقُدُ وَهْوَ جُنُبٌ قَالَتْ نَعَمْ وَيَتَوَضَّأُ‏.‏

English translation

Narrated Abu Salama:I asked `Aisha "Did the Prophet (ﷺ) use to sleep while he was Junub?" She replied, "Yes, but he used to perform ablution (before going to bed)

Reference: Sahih al-Bukhari 286, Book of Bathing (Ghusl). English translation by Dr. Muhammad Muhsin Khan.