Without regular and proper sleep, none of us can truly be ourselves. I still laugh at that commercial for Snickers where the lumberyard worker realizes he becomes somebody ornery and impatient when he is too hungry. Sleep works the same way – if we are tired, we almost become somebody else, and this can go on for years! Makes you wonder how many of us are unintentionally short-circuiting our true personalities by simply staying up too late, waking too early, or suffering from a sleep disorder. Have a look at the linked article for more – short, enlightening read!