Why Do We Dream in Color Even When We Sleep in Black and White?

Imagine you're watching a movie, some movies are black and white, but your favorite is full of color. Now imagine that even when you sleep in a black-and-white world, your dreams still have color. That's because the brain can create colorful images on its own, like it’s painting a picture. Even if you’ve never seen color before, your brain can still dream up rainbows!