A dream is a succession of images, ideas, emotions, and sensations that occur in the mind during certain stages of sleep.
Why we dream is not fully understood, though dreams have been a topic of scientific, philosophical and religious interest throughout history.
Not all dreams are pleasant and occasionally, we experience dark dreams or nightmares.
Today, we'll be diving into the world of the subconscious to learn what's really going on inside our heads at night.
In this episode of the infographics show, "Most common nightmares and what they mean"?
First, a warning, a lot of the things you will hear in this video are based on pseudo-science and can't be verified.
Philosophers Aristotle and Plato, and later psychoanalyst Sigmund Freud all spent time theorizing on dreams,
and agreed that this late-night brain activity, is a way for us to act out our unconscious desires in a safe state.
And a 1960 study by William Dement, a professor of psychology and sleep medicine at Stanford University, documented the detrimental effects of not dreaming.
Results from the study showed that individuals who were awoken just as they entered REM sleep, the sleep state at which you dream,