Dreams prepare the dreamer for the next day by helping the brain process and synthesize experiences, emotions, and memories. They allow for the reactivation of memories in unpredictable ways, which can lead to new insights and problem-solving.
Dreams were seen as messages from the divine or the subconscious, often used to predict future events, make decisions, or guide actions. They inspired art, technology, and cultural practices, and were interpreted by specialists in many societies.
Freud introduced the idea that dreams are meaningful and reflect unconscious desires, fears, and unresolved conflicts. His work in psychoanalysis emphasized that dreams could provide insights into the mind and help treat psychological conditions.
REM sleep is when most vivid dreaming occurs. During this phase, the brain reactivates memories in a free and unpredictable manner, allowing for creative associations and emotional processing. The prefrontal cortex is less active, leading to less inhibition and more bizarre dream content.
Modern lifestyles, with late bedtimes, early wake-ups, and constant stimulation, have reduced the amount of REM sleep and dream recall. This lack of dreaming can negatively impact emotional well-being, cognitive abilities, and social interactions.
Dreams have been a source of new ideas and creativity throughout history. They allow for the blending of memories, desires, and fears in ways that can inspire art, innovation, and problem-solving. The brain regions involved in dreaming are also active during creative thinking.
The Chauvet Cave Paintings, created 30,000 years ago, depict fantastical elements like human-animal hybrids and animated figures, suggesting that ancient humans were engaging with their dreams and taking them seriously as sources of inspiration and guidance.
Carl Jung believed in the collective unconscious, a shared set of experiences embedded in human DNA that connects individuals across time and culture. He saw dreams as a way to access this shared knowledge and understand universal human experiences.
Lucid dreaming is when the dreamer becomes aware they are dreaming and can sometimes control the dream's content. It has gained scientific interest because it provides insights into consciousness and the brain's ability to blend waking and dreaming states.
Capitalism and science shifted focus from mysticism and dream interpretation to rationality and data-driven decision-making. This led to a decline in the cultural and personal significance of dreams, as they were seen as less relevant in predicting the future or guiding actions.
Our dreams can haunt us. But what are we to make of them? From omens and art to modern science, we tell the story of dreams and the surprising role they may play in our lives. (Originally ran as The Way We Dream)
To access bonus episodes and listen to Throughline sponsor-free, subscribe to Throughline+ via Apple Podcasts or at plus.npr.org/throughline.
Learn more about sponsor message choices: podcastchoices.com/adchoices