AbuSa'eed Al-Khudri narrated that he entered upon the Messenger ofAllah (ﷺ) when he was performing prayer in a single garment,wrapping himself in it. (RU)
English reference (RU): Vol. 1, Book 5, Hadith 1048 (RU)
Arabic reference (RU): Book 5, Hadith 1101 (RU)