سنن ابو داؤد #1380

Narrated Abdullah ibn Unays al-Juhani: I said to the Messenger of Allah: I have a place in the desert where I live and in which I pray, with the praise of Allah; but give me command about a night when I come to this mosque. He replied: Come on the twenty third night. I (a sub-narrator, Muhammad ibn Ibrahim) said to his (Abdullah ibn Unays's) son: How would your father act? He replied: He used to enter the mosque when he had offered the afternoon prayer, and did not leave it for any purpose till he prayed the morning prayer. Then when he had prayed the morning prayer, he found his riding beast at the door of the mosque, mounted it and got back to his desert