Not graded
Musnad Ahmad 21184
Narrator:Abu Umāmah
حَدَّثَنَا وَكِيعٌ حَدَّثَنَا الْأَعْمَشُ عَنْ شِمْرِ بْنِ عَطِيَّةَ عَنْ شَهْرِ بْنِ حَوْشَبٍ عَنْ أَبِي أُمَامَةَ نَافِلَةً لَكَ قَالَ إِنَّمَا كَانَتْ النَّافِلَةُ خَاصَّةً لِرَسُولِ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ
This hadith has no English translation yet: the Arabic text, the reference and the grade are shown here.
Reported by Ahmad (No. 21184).