Miasimia Goria
From Tardis Wiki, the free Doctor Who reference
Miasimia Goria was a planet ruled over by the the Rani. She experimented on the natives' brains to heighten their awareness, but this also made them restless and aggressive. She then travelled to Earth to extract the chemical that produced sleep out of human brains to keep Miasimia Goria's natives docile. (DW: The Mark of the Rani)
