The mouse is wide awake. It is sniffing at a new object dropped into its cage, paws busy, whiskers going, doing all the things a curious and thoroughly sleep-deprived mouse does. And yet, o New! Sign up for our email newsletter on Substack. New! Sign up for our email newsletter on Substack. The mouse is wide awake. It is sniffing at a new object dropped into its cage, paws busy, whiskers going, doing all the things a curious and thoroughly sleep-deprived mouse does. And yet, o