Here's a newish article by another author: Scientists Show Human Consciousness Could Be a Side Effect of 'Entropy' Paper in article: https://arxiv.org/abs/1606.00821 My earlier thread regarding human purpose, entropy and artificial general intelligence may be a good way to help explain the paper above. (See the earlier thread)   Anyway, the paper from the new article above says the more deep in sleep the mind, the lower the entropy.   The converse is true, the more