
Scientists have grown a tiny group of brain cells that can be induced to fall asleep, wake up and even show rebound sleep after ‘staying up late.’ The study — the first to document that sleep originates in small neural networks — opens the door to deeper understanding of the genetic, molecular and electrical aspects underlying sleep disorders.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/GrBe5Cuca1Y/150609093014.htm