VOLUNTARY NIGHT PRAYER H 1185 "Abdullah would be an excellent man if only he offered his voluntary prayer at night." Salim commented that after this Abdullah slept only a little at night. R 1185 Bukhari and Muslim with a chain up to Salim the son of Abdullah, son of Omar who related on the authority of his father that the Messenger of Allah, praise and peace be upon him, said this.
1162- وعن سالم بن عبدِ الله بن عمر بن الخطاب ، عن أبيِهِ : أنَّ رسول الله صلى الله عليه وآله وسلم ، قَالَ : "نِعْمَ الرَّجُلُ عَبْدُ اللهِ ، لَوْ كَانَ يُصَلِّي مِنَ اللَّيلِ" قَالَ سالِم : فَكَانَ عَبدُ اللهِ بَعْدَ ذَلِكَ لاَ يَنامُ مِنَ اللَّيلِ إِلاَّ قَلِيلاً . متفقٌ عَلَيْهِ .