Oneirogen

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An oneirogen, from the

• Calea zacatechichi ("Calea ternifolia") has been traditionally used in Central America as a believed way to potentiate lucid dreams and perform dream divination. It can promote dreams vivid to the senses, sight, scent, hearing, touch, and taste. May be taken as a tea or smoked.^[1][2][3][4]
• Entada rheedii ("African dream bean")^[3]
• Mugwort,^[3] see Artemisia douglasiana
• Silene undulata (also known as "Silene capensis" or "African dream root") is used by the Xhosa people of South Africa to induce lucid dreams.^[4][5]

List of possible oneirogens

• Amanita muscaria (contains muscimol)
• psychotic episodes (called stimulant psychosis) which may be defined as bursts of dream activity erupting spontaneously into waking states; this is not due to the substance itself but rather a result of the prolonged suppression of cholinergic activity and REM sleep due to amphetamine or stimulant abuse.^{[citation needed}
  ]
• Artemisia douglasiana or California mugwort, Douglas's sagewort or dream plant, is a western North American species of aromatic herb in the sunflower family that can be used as a scent, tea, or smoke to trigger vivid and lucid dreams.^{[citation needed]}
• Artemisia vulgaris
• Wild red asparagus root may promote dreams that involve flying. ^{[citation needed]}
• Atropa belladonna (contains atropine, hyoscyamine, and scopolamine)
• Atropine (via blockade of acetylcholine receptors) ^{[citation needed]}
• Benzatropine
• Datura (contains atropine, hyoscyamine, and scopolamine)
• cough syrups)^{[citation needed}
  ]
• Dimethyltryptamine
  can trigger intensely vivid and surreal spiritually charged dream states.
• Diphenhydramine ("Benadryl") can invoke an intense hypnagogic REM-like microsleep often indifferentiable from reality. It accomplishes this by blocking various acetylcholine receptors in the brain.^[6]
• Galantamine was shown to increase lucid dreaming by 27% at 4 mg and 42% at 8 mg in a 2018 double-blind study lasting three nights.^[7]
• Galanthus (genus) – An alkaloid in the plant is believed to increase the concentration of acetylcholine – a neurotransmitter that plays a very active role in dreaming^{[citation needed]}
• Harmaline ^{[citation needed]}
• Hyoscyamine
• Ibogaine,^[8] Ibogamine, and Tabernanthe iboga
• Ilex guayusa can promote vivid dreams and aids in dream recollection.^{[citation needed]}
• Melatonin and Ramelteon may cause vivid dreams as a side effect^{[citation needed][4]}
• Mirtazapine,^[9] paroxetine, and varenicline often cause vivid dreams. ^{[citation needed]}
• MMDA^{[citation needed]}
• Muscimol^[10] and other GABA receptor agonists like Zolpidem^{[citation needed]}
• Nutmeg in commonly used amounts myristicin and elemicin, can increase vividness of dreams^{[citation needed]}
• Water lily dried flowers may be smoked, or the rhizomes eaten, to promote vivid dreams. ^{[citation needed]}
• Many
  euphoric dream-like state with microsleep, known colloquially as "nodding".^{[citation needed}
  ]
• Peganum harmala (contains harmaline)
• Scopolamine

Hallucinogenic oneirogens

• African traditional medicine and rituals, the yellowish root or bark is used to produce hallucinations and near-death outcomes, with some fatalities occurring.^[11][12]
• Psilocybe mushrooms and their active ingredients psilocin and psilocybin^[13]
• Kappa receptor agonists^{[citation needed}
  ]
• Ketamine