Set up an outdoor light with a switch next to your bed
When the dog barks, turn the light on, then soak the dog with a garden hose, squirt gut, lawn sprinkler or any other fun technique.
When it shuts up, turn off the light.
Soon they will react to the light.
When the dog barks, turn the light on, then soak the dog with a garden hose, squirt gut, lawn sprinkler or any other fun technique.
When it shuts up, turn off the light.
Soon they will react to the light.