Article - 2 Minute Read
March 16, 2016
We don't really know why we have dreams or their purpose, but scientists hold many theories. Learn more about why dreams happen and what they might mean.
Medically Reviewed by Neurosurgery
Categorized as: Neurosurgery and Brain Health
Tagged with: brain activity, cerebral cortex, dreaming, dreams, lucid dream, parts of the brain, rapid eye movement