Part 1 of 5 · freeIntroduction
Every night you spend about two hours dreaming. Over a lifetime that adds up to nearly six years. Yet within seconds of waking, most of those stories vanish.
Scientists still disagree about the “why.” But they know more and more about when we dream, and what the brain is doing at the time: reorganizing memories, testing out scenarios and digesting emotions.
The rest is in the Sophia app.The remaining parts, the open-book quiz and the full glossary. Free to start; Premium unlocks everything.
- 2Sleep is not the lights going out
- 3What is dreaming for?
- 4Why we forget our dreams
- 5What about lucid dreams?
Open-book quiz8 questions whose answers are in the text.
Glossary11 terms explained in a tap.
30 languagesThe same course, from French to Japanese.
