Musnad Abu Ya'la al-Mawsili 42:150

Ishaq narrated to us, Fudayl narrated to us, from Sulayman, from Abu Sufyan, from Jabir, from Abu Sa'id al-Khudri, who said: I saw the Messenger of Allah (may Allah bless him and grant him peace) praying in a single garment, wrapping himself in it.