. . "Gniyalp mussop was an anicient Sith technique forgotten by most. It allowed one's heart beat to slow down enough to where it was believed that the individual was deceased, even to Force-sensitives. Darth Plagueis used this technique on his former apprentice Darth Sidious, and later on, on Darth Vader."@en . "Gniyalp mussop was an anicient Sith technique forgotten by most. It allowed one's heart beat to slow down enough to where it was believed that the individual was deceased, even to Force-sensitives. Darth Plagueis used this technique on his former apprentice Darth Sidious, and later on, on Darth Vader."@en . "Gniyalp mussop"@en .