The only 'rules' is to go as quickly as possible and to keep track of the countdown on your fingers. It can be done anywhere, you can talk out loud or say it in your head. You can even do to this exercise on the computer.
Counting from 5 - 1
- I See - Name 5 things that you see
- I Hear - Name 5 things that you hear (if a room is quiet you can also make some noises like clapping your hands)
- I Feel - Name 5 sensations in your body (not your feelings), or touching things around you and say how they feel.
- I See - Name 4 things that you see
- I Hear - Name 4 things that you hear
- I Feel - Name 4 sensations that you feel.