this is a narcoleptic dachshund. now, there's nothing wrong with this dog, it's not unhappy or in pain. gets up in a second, runs around again. t for just a moment it was asleep for no reason. and it had... because these dog had is unusual behavior... i should say no dogs were harmed in this study or in the making of that movie but in the dogs it was possible to track down the gene that was abnormal more clearly and to identify the brain ccuit that was abnormal and find what was happening. it turns out narcolepsy results from the lack of a brain chemical called hypoyes tin made from a part of the brain cled the hope them mus and it suppresses the sleep state during waking. and only by studying animals did we learn something about human sleep and more than that we learned something about human consciousness that i find is amazing which is that there's a chemicalnvolved in separating out the parts of our brain action. the. >> rose: so understanding this, understanding these various aspects of the brain in relationship