
What Happens When You Dream?
Sleep Science Explained: What Happens After You Close Your E... by Sleep Science Explained: What Happens After You Close Your Eyes
E3
Sep 29, 2026
10:59
Episode notes
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.
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