All articles starting with H
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Hypixel
Hypixel is a Minecraft minigame server network (mc.hypixel.net, launched 2013) with 30+ games including SkyBlock and BedWars; its studio made Hytale, bought back from Riot in 2025.
Hypixel Studios
Hypixel Studios is a video game developer founded in 2018 as a spin-off of the Hypixel Minecraft server, based in Northern Ireland and known for the game Hytale.
Hypnagogia
Hypnagogia is the transitional consciousness state at sleep onset (N1), marked by hypnagogic hallucinations; terms from Maury (1848), Myers (hypnopompic), Mavromatis (1983); common in the general population and narcolepsy, and studied for creativity via MIT's Dormio dream incubation.
Hypnagogic pop
Hypnagogic pop is a genre of pop or psychedelic music that evokes nostalgia for the popular culture of the 1970s through 1990s through lo-fi, dreamlike recordings.
Hypnales
Hypnales, the largest order of mosses (about 4,200 species), pleurocarpous feather and fern mosses; formerly included Leucodontales and Hypnobryales; rapid early radiation, Gondwanan origin, sister order Hookeriales.
Hypnerotomachia Poliphili
Hypnerotomachia Poliphili is an anonymous allegorical romance printed in Venice by Aldus Manutius in 1499, following Poliphilo's dream search for his beloved Polia through imaginary architecture.
Hypnic headache
Hypnic headache, or "alarm clock" headache, is a rare primary headache disorder first described by Raskin in 1988: sleep-only attacks waking patients, lasting 15 minutes to 4 hours, treated with lithium, caffeine, melatonin, or indomethacin.
Hypnic jerk
Hypnic jerk, also called sleep start or hypnagogic jerk: a brief involuntary myoclonic muscle contraction at sleep onset, stage N1, with falling sensation; affects about 70% of people, triggered by stress, caffeine, and sleep deprivation.
Hypnodendrales
Hypnodendrales (Bell, Newton & Quandt, 2007) is an order of pleurocarpous mosses in superorder Hypnanae, sister to Ptychomniales, Hookeriales, and Hypnales; families include Hypnodendraceae, Racopilaceae, Pterobryellaceae, with mainly tropical, Gondwanan distribution.
Hypnopompic hallucinations
Hypnopompic hallucinations are vivid, often visual, dream-like hallucinations that occur on waking from sleep. They are common, and frequent episodes, especially with sleep paralysis, can point to narcolepsy.
Hypnos (Ὕπνος)
Hypnos (Ὕπνος), Roman Somnus, is the ancient Greek god of sleep, son of Nyx, twin brother of Thanatos, father of the Oneiroi; he lulled Zeus to sleep in Iliad 14 and carried Sarpedon's body.
Hypnosis
Hypnosis, also known as hypnotism, is a state of concentrated attention with reduced awareness of surroundings and heightened responsiveness to suggestion, first named in 1843.
Hypnosis Mic: Division Rap Battle
Hypnosis Mic: Division Rap Battle (ヒプノシスマイク) is a King Records EVIL LINE RECORDS character rap project launched September 2017; 18 male voice-actor rappers in six divisions battle with psyche-affecting microphones, expanded into anime, games, stage, and an interactive film.
Hypnospace Outlaw
Hypnospace Outlaw is a 2019 puzzle-adventure game by Tendershoot (Jay Tholen) and No More Robots where the player moderates an alternate-1999 sleep-browsed internet; sequel Dreamsettler was cancelled in 2025.
Hypnotherapy
Hypnotherapy is the therapeutic use of hypnosis via induction and suggestion. Rooted in Mesmerism, named by Braid in 1843; best evidence for gut-directed IBS treatment, weaker for smoking cessation.
Hypnotic
Hypnotic: sleep-inducing drug class for insomnia, also called sedative-hypnotics; spans barbiturates, benzodiazepines, Z-drugs, melatonin agonists, and orexin antagonists, with CBT-I preferred first-line.
Hypnotic (2023 film)
Hypnotic is a 2023 American science fiction thriller directed by Robert Rodriguez, starring Ben Affleck as a detective whose reality-bending investigation connects to his missing daughter.
Hypnotic Eye
Hypnotic Eye (2014, Reprise) is the 13th and final Tom Petty and the Heartbreakers studio album; recorded over three years with Ryan Ulyate, it became Petty's first US number-one album and earned a Best Rock Album Grammy nomination.
Hypnotize (album)
Hypnotize is System of a Down's fifth studio album, released November 22, 2005 as the second half of the Mezmerize/Hypnotize double album. Produced by Rick Rubin and Daron Malakian, it debuted at No. 1 on the Billboard 200 with 320,000 first-week US sales and remains the band's last studio album.
Hypnotize (The Notorious B.I.G. song)
Hypnotize (The Notorious B.I.G. song), the lead single from Life After Death, released early March 1997 five days before his death; built on Herb Alpert's "Rise," produced by D-Dot, Ron Lawrence, and Puff Daddy, it reached No. 1 on the Billboard Hot 100 and was certified platinum.
Hypnotize Minds
Hypnotize Minds (Hypnotize Minds Productions) is a Memphis record label and production house founded in 1994 by DJ Paul and Juicy J as the umbrella for Three 6 Mafia and Hypnotize Camp Posse, with platinum albums and a 2006 Warner Bros. deal.
HYPNOVRNEO trial
The HYPNOVRNEO trial was a randomized controlled trial in Rennes, France, testing whether six 10-minute virtual reality hypnosis sessions during work breaks reduced stress and compassion fatigue among NICU nurses.
Hypnum
Hypnum, a genus of pleurocarpous mosses in Hypnaceae typified by Hypnum cupressiforme (cypress-leaved plaitmoss). Once defined by falcate leaves and a short double costa, molecular work showed it polyphyletic; now restricted to the H. cupressiforme complex, widely used in metal biomonitoring.
HYPO-5 trial
HYPO-5 (NCT05786742) is a phase 1-2 CHU de Québec trial comparing 25 Gy/5-fraction ultra-hypofractionated prostate radiotherapy plus a 15 Gy HDR brachytherapy boost against moderately hypofractionated schedules, reporting interim safety and biochemical control.
Hypo-OPRA trial
Hypo-OPRA (NCT06991465) is a phase II single-arm McGill trial testing 25 Gy in 5 fractions plus a boost to 35 Gy with FOLFOX or capecitabine for rectal preservation in locally advanced rectal adenocarcinoma.
Hypoactive sexual desire disorder
Hypoactive sexual desire disorder (HSDD), also called female sexual interest/arousal disorder in DSM-5, is persistent low sexual desire causing marked distress. Covers diagnosis, prevalence (8–10% of women), mechanisms, flibanserin, bremelanotide, testosterone, and controversy.
Hypoalbuminemia
Hypoalbuminemia, low serum albumin below 35 g/L, is a common hospital finding driven mainly by inflammation and protein loss, a strong mortality predictor, and a poor nutrition marker; albumin infusion has few supported indications.
Hypoaldosteronism
Hypoaldosteronism (ICD-11 5A73) is deficient aldosterone production or action, causing hyperkalemia, hyponatremia, and acidosis. Forms include hyporeninemic hypoaldosteronism, CYP11B2 aldosterone synthase deficiency, and pseudohypoaldosteronism; treated with fludrocortisone or sodium supplementation.
Hypoallergenic
Hypoallergenic is an unregulated marketing claim on cosmetics meaning fewer allergic reactions; the FDA sets no definition, and studies found most hypoallergenic moisturizers still contain known contact allergens.
Hypoallergenic dog breed
Hypoallergenic dog breed: a label for low-shedding breeds like Poodle and Labradoodle; studies of Can f 1 show no breed is truly hypoallergenic, allergen output varies by individual dog.