"have a couple of dreams, and call me in the morning" how do you think the psychologist in the cartoon plans to his patient?

By having his patient have a dream and call him when he wakes up. The most prominent part of the dream, or his fear will be the main image the patient will remember which will allow the doctor to conclude on why his patient is having these nightmares.

Maybe if you put away all your electronics and lock them with a key and give the key to some one you trust like your parents for about a month to stop the process