What Happens When You Dream?

In a dream, a school hallway may open into a train station. A person you have not seen for years may speak with your neighbor's voice. The change feels ordinary until you wake. Inside this episode: - Everyone Dreams - Rem, The Famous Dream Stage - The Body Becomes Still - An Active Brain With Changed Priorities - Where The Material Comes From Sources include the references linked below. Sources and further reading: - [NINDS, Understanding Sleep](https://www.ninds.nih.gov/sites/default/files/2025-05/understanding-sleep.pdf) - [NHLBI, Sleep Phases and Stages](https://www.nhlbi.nih.gov/health/sleep/stages-of-sleep) This episode provides general education about sleep and the body. It is not medical advice, diagnosis, treatment, or an assessment of any listener. Follow Sleep Science Explained for another clear look at what happens after you close your eyes.