Learn · TED

Talk5 min

How do you know you're not dreaming?

Daniel Gregory · TED

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About

Bizarre things happen in dreams: you fly, or conjure an all-you-can-eat buffet out of thin air, or get chased by witches through the halls of your school. But the strange things that happen in dreams don't seem strange at the time. So, how do you know you're not in a dream right now? Is there a way to prove that you're awake? Daniel Gregory digs into the philosophical theories of wakefulness. [Directed by Daniel Stankler, narrated by Addison Anderson, music by Zing Audio].

The talk

  1. How do you know you're not dreaming? 5 min · TED's player

Credits and licence

Institution
TED
Department
TED-Ed
Speaker
Daniel Gregory
Year
2022
Level
For everyone
Language
English
Subjects
Psychology and the brain, Philosophy, Teaching and learning
Source
TED
Licence
CC BY-NC-ND 4.0, as TED states it. Non-commercial use only, and no changed versions. TED's terms
Attribution
TED Talks are licensed by TED under Creative Commons BY-NC-ND 4.0 International and are shown here in TED's own player, as TED's usage policy asks.
Who can watch
TED gives no rating. Invisible Network shows it to Teens profiles and older, judged from what the source says about it. How courses are placed