Musnad Ahmad

Kuraib (may Allah have mercy on him) says that he asked Hazrat Usama bin Zaid (may Allah be pleased with him), "Tell me, what did you do on the night when you were riding behind the Prophet (peace and blessings be upon him)?" He replied, "We reached that valley for Maghrib where people used to make their mounts sit down. The Prophet (peace and blessings be upon him) also made his she-camel sit there, then he urinated and cleaned himself with water, then he asked for water for ablution and performed ablution, but not in an exaggerated manner. I said, 'O Messenger of Allah! The time for prayer has come.' The Prophet (peace and blessings be upon him) said, 'The prayer is ahead of you.' Then he mounted his ride and reached Muzdalifah, where he offered the Maghrib prayer. Then people made their mounts sit at their respective places, and before they could even untie their luggage, the Isha prayer was established. They prayed and people began to rest. I asked, 'When morning came, what did you do then?' He replied, 'At that time, the Prophet (peace and blessings be upon him) had Hazrat Fadl bin Abbas (may Allah be pleased with him) riding behind him, and I was walking among the people of Quraish on foot.'"