Musnad Abu Ya'la al-Mawsili 4:20

Yahya ibn Ayyub narrated to us, Isma'il—meaning Ibn Ja'far—narrated to us, Muhammad—meaning Ibn 'Amr—informed me, from Abu Salamah, from Talhah ibn 'Ubayd Allah: That two men from Baliy embraced Islam. One of them was killed in the way of Allah, and the other remained after the killed one for a year, then he died. Talhah said: I saw Paradise in a dream, and I saw the second of the two men entered Paradise before the first. I woke up and told the people about that, and it reached the Prophet, peace and blessings of Allah be upon him. He said: "Has he not fasted Ramadan after him, and prayed after him six thousand rak'ahs, and such and such rak'ahs?"