Simplify the following text for a Grade 6 native English-speaking person.
Original: 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 .
Simplified: Anakin , meanwhile , was in his home planet of Tatooine , after dreaming of his mother .