1. Try to draw a yellow circle on your hand. Do three circles on your palm or the back of your hand. Do a circle in the air or on any surface. Say or think “I am in reality” as you do so.
2. Pinch your nose as you try to breathe in. Say or think “I am in reality” as you do so.
3. Pick a spot in your line of sight not right in front of you, look at that spot then any other place taking note of its color and shape. Look back at the first spot. Look back again and say “I am in reality” (note needs to be inside a car/bus/etc if on the move).
4. Pinch yourself. If it hurts say “I am in reality”.
Others to be added as I hear of them.