So what I'm gonna talk here today are some reflections and an effort to compare two large bodies of evidence, actually, one large body of evidence, which regards sleep and a small body of evidence, the entire field is pretty much in this room, which has to do with Ayahuasca and for me at least, it started really in 2006, I had been back to Brazil for a year, after many years in US and I was visiting my good friend Draulio de Araújo, who is there in yellow and we were discussing, having a relaxed conversation about what could be a model of dreaming, dreams are something very interesting to me 