Muwatta Malik 40

Arabic

وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، أَنَّ ابْنَ عُمَرَ، كَانَ يَنَامُ جَالِسًا ثُمَّ يُصَلِّي وَلاَ يَتَوَضَّأُ ‏.‏

Translation

Yahya related to me from Malik from Nafithat Ibn Umar used to sleep sitting and then would pray without doing wudu

Authenticity

Sahih · Salim al-Hilali

Reference