Sleep is hard enough to understand. Scientists still don’t fully know why we spend about a third of our lives in an unconscious state. So perhaps it makes sense that we don’t really have a handle on ...

Dreams are more structured than they seem, shaped by both personal traits and real-world experiences. Researchers found that the brain doesn’t just replay daily life—it reshapes it into imaginative, ...

Do you think your dreams are random? Researchers have analysed over 3,700 reports of dreams and now have a better idea of what influences the content of our dreams. In France, some people believe that ...