01Why do we dream?
A journey through the sleeping brain, from sleep stages to the theories that try to explain why the mind creates worlds while we rest.
11:44 · Sarah

Eight audio journeys through the mysteries of the brain, memory, sleep, and human biology.

01A journey through the sleeping brain, from sleep stages to the theories that try to explain why the mind creates worlds while we rest.
11:44 · Sarah
Eight audio journeys through the mysteries of the brain, memory, sleep, and human biology.
Each episode combines context, storytelling, and useful facts to explain the subject clearly, with no prior knowledge required.
No. Each episode stands on its own, although the full season builds a richer view of the subject.
Yes. Progress is saved on this device for every episode and language.
Yes. Use the season selector to switch between Mateo in Spanish and Sarah in English.
Choose a question from the season and turn it into a personalized episode.