Muwatta 38 · Book 2
Muwatta Malik, 38
Purity
Da‘if (weak)« Mauquf Daif » by Salim al-Hilali
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ زَيْدِ بْنِ أَسْلَمَ، أَنَّ عُمَرَ بْنَ الْخَطَّابِ، قَالَ إِذَا نَامَ أَحَدُكُمْ مُضْطَجِعًا فَلْيَتَوَضَّأْ .
Yahya related to me from Malik from Zayd ibn Aslam that Umar ibn al-Khattab said, "If you fall asleep Iying down you must do wudu ( before you pray)Grades given by scholars
- Salim al-Hilali
- Mauquf Daif
Source: fawazahmed0/hadith-api (public domain).