Carroll did a great solo podcast about this last year: https://www.youtube.com/watch?v=B40PRvLtiec https://www.youtube.com/watch?v=B40PRvLtiec Hard to summariz

Carroll did a great solo podcast about this last year: https://www.youtube.com/watch?v=B40PRvLtiec https://www.youtube.com/watch?v=B40PRvLtiec Hard to summarize, but it's well worth anyone interested in this topic. There's a good bit where he ties the sleeping beauty thought experiment with Boltzmann Brains and consciousness; it blew my mind trying to understand the whole thing.