. . . "Parasite"@en . . . "Sleep parasite"@en . "Once the infected person falls asleep, the parasite gorges itself on the serotonin produced growing to many times its size. The infected person then dies from a stroke. (SG1: \"Morpheus\")"@en . "Once the infected person falls asleep, the parasite gorges itself on the serotonin produced growing to many times its size. The infected person then dies from a stroke. (SG1: \"Morpheus\")"@en . . "Sleep parasite"@en . . "\"Morpheus\""@en .