What do dreams mean? Is there any significance to maybe an inner thought or desire to dreams? Marcie Fraser gives us the details on dreaming.

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Most of us dream when we are in REM sleep or rapid eye movement, which takes place in phases.

"Most of us have four or five REM sleep episodes where we have movie-like dreams with narratives,” said Psychologist Paul Glovinsky, Ph.D.

While most of us are spectators in our dreams, there are a select few who can direct their dreams, they are called lucid dreamers.

"For some people the part of the mind is more executive. It could be some of the frontal lobe, the planning is still able to put it's two cents into the dream where others can't," said Glovinksy.

Why do we remember some dreams and not others?

"We usually remember the ones we wake up in REM sleep or just coming out of REM sleep, which is very common,” said Glovinsky.

Some experts believe there is nothing random when it comes to who is in our dreams or what we dream about."

Glovinsky said, "It's a different way of thinking but there is some sense to it, not always clear what it is. When somebody is all of a sudden represented as a lover or intimate, it could be reflecting some wish, it could be subconscious or not."

A bad dream occasionally is not uncommon. But some populations, like war vets, can have reoccurring nightmares and if not managed properly, can disturb a peaceful sleep. This can sometimes go on for years.

You can put an end to nightmares by using a technique called a technical rehearsal. Create a peaceful ending to the bad dream by writing it out and rehearsing it several times, using imagery.

Glovinsky said, "If it's really going to work, it's got to be real. We want someone who's really at the beach and can really see the sand, what color is the water."