Lie detector dream to a situation where you have to show the deep, hidden qualities of his nature. Perhaps you find yourself on the edge of a precipice, in a desperate situation and you have to show what you are capable of.
Dreamed that a polygraph tested one of your relatives or friends - so you will fiercely defend their point of view. Most likely, your opponents will be forced to admit that the truth behind you.
If you dream that you are applying for a job at a prestigious company, and you check the polygraph, you're almost always be able to use the most of their knowledge and skills to get out of a difficult situation.