Legend of the Ghost Lion, also known simply as Ghost Lion, is very loosely based on the obscure Japanese-made English-language direct-to-video movie Beyond the Pyramids: Legend of the White Lion. It features a young girl searching for her parents and the mystery of the White Lion, using the power of dreams to summon allies to fight for her.
Maria is seemingly a lucid dreamer, and gains the ability to control her dream and guide it to the truth of this game with the minimum of fuss. Now that's what I call a power nap!