What Are Dreams?

This documentary by NOVA sheds some light on dreams. Even after a lot of research, dreams are still quite mysterious, and their true purpose is not completely understood. Sigmund Freud was convinced that dreaming is an expression of subdued subconsciousness, usually filled with a lot of sexual symbolism. However, psychology has changed, and this claim is not as firm as it once was. What is certain is that dreams play a key role in our lives. Dreams are essential for learning for example, as a lot of information we learn during the day is organized while we are dreaming.

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