Anakin , meanwhile , was in his home planet of Tatooine , after dreaming of his mother . Anakin , meanwhile , suffers from recurring nightmares in which his mother , Shmi , is in grave danger ; he left her behind on Tatooine when he set off to become a Jedi . In defiance of Obi-Wan 's orders , Anakin convinces PadmÃ to accompany him to Tatooine to save his mother .