5. Ghusl (Major Ablution/Bathing)

٥۔ كتاب الغسل

5.25 A Junub can stay at home without taking a bath but with ablution

٥۔٢٥ باب كَيْنُونَةِ الْجُنُبِ فِي الْبَيْتِ إِذَا تَوَضَّأَ قَبْلَ أَنْ يَغْتَسِلَ

bukhari:286Abū Nuʿaym > Hishām And Shaybān > Yaḥyá > Abū Salamah

I asked ʿAisha "Did the Prophet ﷺ use to sleep while he was Junub?" She replied, "Yes, but he used to perform ablution (before going to bed).  

البخاري:٢٨٦حَدَّثَنَا أَبُو نُعَيْمٍ قَالَ حَدَّثَنَا هِشَامٌ وَشَيْبَانُ عَنْ يَحْيَى عَنْ أَبِي سَلَمَةَ قَالَ

سَأَلْتُ عَائِشَةَ أَكَانَ النَّبِيُّ ﷺ يَرْقُدُ وَهْوَ جُنُبٌ قَالَتْ نَعَمْ وَيَتَوَضَّأُ