Think of the most vivid dream you can remember. Was it in color? If so, there’s a good chance you did not spend much of your childhood sitting in front of a black-and-white television set.
In a 2008 study published in the journal Conscious Cogn, those who were born after 1973 report hardly ever dreaming in black and white. Those who were born prior to 1973 said that they dreamed in black and white about 25% of the time. Twelve percent of people say they dream exclusively in black and white.
Go back even further, before television was a thing, and things become even more interesting. Studies in the 1940s showed that 75% of Americans reported “rarely” or “never” seeing any color in their dreams.
In short, it appears that modern television has not only added colorful language to our vocabulary, but it has turned dichromatic sleep images into vibrant technicolor.
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Read about more interesting studies.