I've noticed that since I started using this technique again, my HI has started becoming a lot more powerful during the times when I'm NOT using it. This morning, for instance, I was just drifting off to sleep when a creepy voice whispering my name startled me back into awareness. I'd had some really powerful visual HI even earlier, almost like a daydream gone wild. (Which makes me think that this would be a good way to practice Jung's "active imagination.")