كَانَ النَّبِيُّ صلى الله عليه وسلم إِذَا أَرَادَ أَنْ يَنَامَ وَهْوَ جُنُبٌ، غَسَلَ فَرْجَهُ، وَتَوَضَّأَ لِلصَّلاَةِ.
Aishah reported: When the Prophet ﷺ wanted to sleep while he was in a state of janabah, he would wash his private parts and perform ablution (wudu) as for the prayer.