Dreams, Nightmares, and the Science Behind Them

Scientists have long tried to explain why we sometimes feel like flying, losing teeth, or tumbling off cliffs while asleep. One researcher from Montreal has spent years studying these strange nighttime experiences and has written a book that looks at both ordinary dreams and the frightening ones we dread. The book also talks about “dream engineering,” a new field where people try to steer what happens in their sleep.

In a recent discussion, a popular science podcast asked the researcher to explain how our brains create these vivid scenes. She said that dreaming is a natural part of the sleep cycle, but certain signals in the brain can make the images feel more intense or scary.

The conversation also covered how people might use techniques like visualization or listening to calming sounds before bed to influence the type of dream they get. The scientist cautioned that while some people can shape their dreams, others may still experience unsettling images without warning.

Listeners were encouraged to think about how everyday stress or excitement can show up in dreams, and how understanding this process might help people sleep better.

The researcher hopes that by sharing her findings, more people will feel comfortable talking about their nighttime experiences and seek help if nightmares become a problem.