self-awareness: "Do you notice it yourself when you suddenly go crazy?" – Reporter exposes himself to absolute silence and darkness

How important is our sense of hearing for our perception? And what happens if you are in a room with no light or sound for a long time? A reporter finds this out in an anechoic room.

How important is our sense of hearing for our perception? And what happens if you are in a room with no light or sound for a long time? A reporter finds this out in an anechoic room.