عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ حَمَّادِ بْنِ عُثْمَانَ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلام ) قَالَ إِذَا بَلَغَ الرَّجُلُ خَمْسِينَ سَنَةً فَلَا يَبِيتَنَّ وَ فِي جَوْفِهِ شَيْ‏ءٌ مِنَ السَّمْنِ .
4. Ali ibn Ibrahim has narrated from his father from Ibn Abi ‘Umayr from Hammad ibn ‘Uthaman who has said the following: “Abu ‘Abd Allah , has said, ‘When a man becomes fifty years old he must not go to sleep with an amount of ghee in his stomach.’” 