Nepenthes rajah is comparable to that experienced in nature, since Borneo lies on the equator. Pure long-fibre "Sphagnum" moss is an excellent potting medium, though combinations involving any of the following – peat, perlite, vermiculite, sand, lava rock, pumice, "Osmunda" fibre, orchid bark and horticultural charcoal – may be used with equal success. The potting medium should be well-drained and not too compacted. Moss is useful for moisture retention near the roots. The mix should be thoroughly soaked in water prior to potting the plant. It has been noted that "N. rajah" produces a very extensive root system (for a "Nepenthes") and,
The Sleep of Reason Produces Monsters Miller novel "Pure", as well as the 2017 album by Swedish metal band Meshuggah, entitled "The Violent Sleep of Reason." Also the names of Finnish occult metal band Sleep of Monsters and their first album, "Produces Reason" derive from the name of the title. Occasionally the title phrase is rendered as "The dream of reason produces monsters", since the Spanish word "sueño" can mean either "sleep" or "dream". However, Goya's epigraph makes it clear that his intended interpretation is "the sleep of reason". The Sleep of Reason Produces Monsters __notoc__ The Sleep of Reason Produces Monsters () is an etching