While Jack , Kate , Charlie , Claire ,Sawyer and others memory was awakening by other people and was show on screen . It's one question how Boone , Rose , Bernard , Eloise and Penny memory was aweking still uncreal
it's possible that Rose and Bernard both aweking eath others memory .
It's also possible that Penny memory was aweking when she meet with Desmond .
It's possible that Boone memory was aweking by Shannon.
and also it's possible that Eloise memory was aweking by Daniel.