To Dream or Not To Dream

They say dreaming happens when people enter a deep cycle in their sleep but when most people wake up they don't even remember what they dreamed. Yet, ironically everyone remembers there worst nightmares. What good is a formulated dream that scares? A person once said If you come across a dream and still remember it in the morning count it as a gift. Dreams are not the best thing to resist. Maybe that is why we have no choice in what we dream or when. If we did we would manipulate when it starts or ends. We dream in our sleep but not so much when we are awake. If you had a choice would you choose to dream or not to dream?