Almost every child suspects that at one time or another when his eyes are closed his immediate surroundings have disappeared. He supposes that when he does not see a chair the chair does not exist; and my dear friends, the boy in this case is smarter than the man.
(“What if the boy closes his eyes but touches the chair?”)
When his senses, his outer senses, do not perceive a physical object in his self-perspective (and hyphenate that please), in his self-perspective, the object simply does not exist.