Found some publications, the theory is called The Visceral Theory of Sleep, spearheaded by Ivan Pigorev. Intro: http://www.researchgate.net/publication/2719201

Found some publications, the theory is called The Visceral Theory of Sleep, spearheaded by Ivan Pigorev. Intro: http://www.researchgate.net/publication/271920141_The_Visceral_Theory_of_Sleep http://www.researchgate.net/publication/271920141_The_Viscer... Cortical visual areas process intestinal information during slow-wave sleep: http://onlinelibrary.wiley.com/doi/10.1111/nmo.12052/abstract http://onlinelibrary.wiley.com/doi/10.1111/nmo.12052/abstrac...