Siddhartha Ribeiro

So there's a level of noise, of a level of unpredictability in dreams. They're not random at all. But their genesis, their motor is entirely not random. This is very clear when you lose somebody you love. They're not random at all. If dreams were random, you would not have repetitive dreams about anything.

And especially at those moments when we are suffering and we go through grief and we have recurrent dreams, this cannot be produced by a random process. This has to be produced by a meaningful process.

And especially at those moments when we are suffering and we go through grief and we have recurrent dreams, this cannot be produced by a random process. This has to be produced by a meaningful process.

And especially at those moments when we are suffering and we go through grief and we have recurrent dreams, this cannot be produced by a random process. This has to be produced by a meaningful process.

I'm a neuroscientist from Brazil. I'm at the Brain Institute of the Federal University of Rio Grande do Norte. My laboratory focuses on memory, sleep, and dreams.

I'm a neuroscientist from Brazil. I'm at the Brain Institute of the Federal University of Rio Grande do Norte. My laboratory focuses on memory, sleep, and dreams.

I'm a neuroscientist from Brazil. I'm at the Brain Institute of the Federal University of Rio Grande do Norte. My laboratory focuses on memory, sleep, and dreams.

Dreams are a process of adaptation. Dreams have to do with preparing the dreamer for the next day. They're not random at all.

Dreams are a process of adaptation. Dreams have to do with preparing the dreamer for the next day. They're not random at all.

Dreams are a process of adaptation. Dreams have to do with preparing the dreamer for the next day. They're not random at all.

They're not random at all.

They're not random at all.

They're not random at all.

Dreams are a process of adaptation. Dreams have to do with preparing the dreamer for the next day, the following day. When we go to sleep, our brain will enter a sequence of different phases.

Dreams are a process of adaptation. Dreams have to do with preparing the dreamer for the next day, the following day. When we go to sleep, our brain will enter a sequence of different phases.

Dreams are a process of adaptation. Dreams have to do with preparing the dreamer for the next day, the following day. When we go to sleep, our brain will enter a sequence of different phases.

Which will be characterized by very different brain waves and very different chemicals released in the brain.

Which will be characterized by very different brain waves and very different chemicals released in the brain.

Which will be characterized by very different brain waves and very different chemicals released in the brain.

Dreaming occurs during most of the time, but it's not very vivid until about halfway through the sleep.