It was narrated that Abu Dharr said: "My beloved Prophet advised me to do three things which I will never give up, if Allah wills. He advised me to pray Duha, to pray Witr before sleeping, and to fast three days of each…
It was narrated that Abu Hurairah said:
"The Messenger of Allah (ﷺ) enjoyed three things upon me: To sleep after praying Witr, to perform Ghusal on Friday, and to fast three days of each month." (Sahih).
Abu Hurairah said:
"The Messenger of Allah (ﷺ) commanded me to pray two Rakahs of Duah,nt to sleep until after praying Witr and to fast three days of each month. (Sahih).
أَخْبَرَنَا مُحَمَّدُ بْنُ رَافِعٍ، حَدَّثَنَا أَبُو النَّضْرِ، حَدَّثَنَا أَبُو مُعَاوِيَةَ، عَنْ عَاصِمٍ، عَنِ الأَسْوَدِ بْنِ هِلاَلٍ، عَنْ أَبِي هُرَيْرَةَ، رضى الله عنه قَالَ أَمَرَنِي رَسُولُ اللَّهِ صلى الله عليه وسلم بِنَوْمٍ عَلَى وِتْرٍ وَالْغُسْلِ يَوْمَ الْجُمُعَةِ وَصِيَامِ ثَلاَثَةِ أَيَّامٍ مِنْ كُلِّ شَهْرٍ .
It was narrated that Abu Hurairah said:
"The Messenger of Allah (ﷺ) commanded me to sleep after praying Witr, to perform Ghusl on Friday and to fast three days of each month." (Sahih).