[Machine] Umar ibn Al-Khattab narrated that he used to experience seminal emission during the night, so the Messenger of Allah ﷺ advised him, "Perform ablution and wash your private parts, then sleep."
ذَكَرَ عُمَرُ بْنُ الْخَطَّابِ ؓ لِرَسُولِ اللهِ ﷺ أَنَّهُ تُصِيبُهُ الْجَنَابَةُ مِنَ اللَّيْلِ فَقَالَ لَهُ رَسُولُ اللهِ ﷺ تَوَضَّأْ وَاغْسِلْ ذَكَرَكَ ثُمَّ نَمْ