I sometimes become aware I'm dreaming during nightmares/unsettling dreams and then I'm able to "switch topics" to something more pleasant. I generally forget wh

I sometimes become aware I'm dreaming during nightmares/unsettling dreams and then I'm able to "switch topics" to something more pleasant. I generally forget what I dream about next. I think being able to escape nightmares is a good benefit, but if you don't have nightmares then it's probably not very useful to you.