Reading this carefully, it seems like Ananias was sitting and likely was praying, for suddenly the Lord appeared to him in a vision and told him to get up!
10 There was a disciple in Damascus named Ananias. And the Lord said to him in a vision, “Ananias!”
“Here I am, Lord!” he said.
11 “Get up and go to the street called Straight,” the Lord said to him, “to the house of Judas, and ask for a man from Tarsus named Saul, since he is praying there. (Acts 9:10-11 HCSB) click=> 3 translations