Narrator:Abdullāh ibn ‘Umar
أَخْبَرَنَا مُحَمَّدُ بْنُ سَلَمَةَ، قَالَ حَدَّثَنَا ابْنُ الْقَاسِمِ، عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ
" مَا حَقُّ امْرِئٍ مُسْلِمٍ لَهُ شَىْءٌ يُوصَى فِيهِ يَبِيتُ لَيْلَتَيْنِ إِلاَّ وَوَصِيَّتُهُ مَكْتُوبَةٌ عِنْدَهُ "
It was narrated from Ibn 'Umar that the Messenger of Allah said:
"It is not befitting for a Muslim who has anything concerning which a will should be made, to abide for two nights without having a written will with him."
Reported by An-Nasa’i (No. 3616, 3615, 3618, 3619), Al-Bukhari (No. 2738), Muslim (No. 1627a, 1627c, 1627d, 1627e), Abu Dawud (No. 2862), At-Tirmidhi (No. 974, 2118), Ibn Majah (No. 2699, 2702), Malik (No. 1458), Ahmad (No. 4239, 4350, 4667, 4872, 4950, 5254, 5256, 5660) and Ad-Darimi (No. 3046).