That’s a really interesting question, and people have been asking it for thousands of years. But it’s difficult to answer.

We've all wondered what the heck that weird dream about flying naked among your co-workers was all about. Why do some of us have such vivid dreams or the same dreams repeatedly? Why do some people ...

Do they predict the future or simply rehash the past? By figuring out why we dream, researchers are hoping to nail down what the nightly cavalcade of images and events means. Ever since Sigmund Freud ...

“Dreams are illustrations from the book your soul is writing about you.” — Marsha Norman. Ever wake up wondering why you dreamt of something so random—or so deeply personal? Dreams can feel like a ...

You're back in school and suddenly have to take a test, despite not having been present to learn any of the material. Your teeth are suddenly falling out. You run into an acquaintance you haven't seen ...