Exploring the nature of dream, scientists discovered, that only those people with high IQs can dream. The higher IQ is, the more and the brighter the dreams are.
Two thousand people took part in the research. They were asked whether they dream or not. It turned to be that the majority of people don't dream at all or they don't remember them.
And just a little percent of people regularly dream. They were offered to be put through intellectual tests and all of them managed perfectly.
Scientists concluded that the smarter a person is, the brighter and the more detailed his dreams are. During the night time, a brain doesn't stop working and continues to analyze the events.
Brain of people with low IQ is less active, that's why it almost doesn't function during the sleep.