حَدَّثَنَا وَكِيعٌ حَدَّثَنَا سُفْيَانُ قَالَ حَدَّثَنَا سَلَمَةُ بْنُ كُهَيْلٍ عَنْ كُرَيْبٍ عَنِ ابْنِ عَبَّاسٍ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَامَ فِي اللَّيْلِ فَقَضَى حَاجَتَهُ ثُمَّ غَسَلَ وَجْهَهُ وَيَدَيْهِ ثُمَّ جَاءَ فَنَامَ
مسند امام احمد بن حنبل · Hadith 2083
It was narrated from Ibn 'Abbas that the Messenger of Allah (PBUH) got up at night and relieved himself, then he washed his face and hands and went back to sleep.
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020