Are we asleep when we die or awake in Paradise?
From the physical perspective we appear asleep when we die. But from the story of Lazarus and the rich man Luk 16:20-31 we understand that we are conscious.
Paul said that to be absent from the body is to be present with the Lord 2Co 5:8.
Jesus^ healings, miracles, deliverances and resurrections were more than ample proof of His Lordship for a person with an open mind.