(ˌhaɪpəˈsɒmnɪə) or hypersomnolence (ˌhaɪpəˈsɒmnələns)
noun
an extreme or excessive level of sleepiness
hypersomnia in American English
(ˌhaipərˈsɑmniə)
noun
Pathology
a tendency to sleep excessively
Derived forms
hypersomniac
noun
Word origin
[1875–80; hyper- + (in)somnia]This word is first recorded in the period 1875–80. Other words that entered Englishat around the same time include: authoritarian, graph, massage, overdraft, pressure pointhyper- is a prefix appearing in loanwords from Greek, where it meant “over,” usually implyingexcess or exaggeration (hyperbole). On this model, hyper- is used, especially as opposed to hypo-, in the formation of compound words (hyperthyroid). Other words that use the affix hyper- include: Hyperborean, hyperbilirubinemia, hypercharge, hypercorrection, hyperurbanism
Examples of 'hypersomnia' in a sentence
hypersomnia
The severity of hypersomnia prevented her from attending school activities.
RUBENS REIMÃO, MARISA H. SHIMIZU 1998, 'Kleine-levin syndrome: clinical course, polysomnography and multiple sleep latencytest. Case report Síndrome de Kleine-Levin: aspectos clínicos, polissonografia e testedas latências múltiplas do sono. Relato de caso', Arquivos de Neuro-Psiquiatriahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X1998000400021. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Insomnia was diagnosed in 28 patients (29%) and post-traumatic hypersomnia in 9 patients (9%).
Lijun Hou, Xi Han, Ping Sheng, Wusong Tong, Zhiqiang Li, Dayuan Xu, Mingkun Yu, LiuqingHuang, Zhongxin Zhao, Yicheng Lu, Yan Dong 2013, 'Risk factors associated with sleep disturbance following traumatic brain injury: clinicalfindings and questionnaire based study.', PLoS ONEhttp://europepmc.org/articles/PMC3788026?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Social, familial, work, and cognitive impairment are among the consequences of hypersomnia.
Lia Rita Azeredo Bittencourt, Rogério Santos Silva, Ruth Ferreira Santos, Maria LauraNogueira Pires, Marco Túlio de Mello 2005, 'Sonolência excessiva Excessive daytime sleepiness', Revista Brasileira de Psiquiatriahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-44462005000500004. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This specifier includes mood reactivity, hyperphagia, hypersomnia, leaden paralysis, and interpersonal rejection sensitivity.
Łojko D, Rybakowski JK 2017, 'Atypical depression: current perspectives', Neuropsychiatric Disease and Treatmenthttps://www.dovepress.com/atypical-depression-current-perspectives-peer-reviewed-article-NDT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Outside the hypersomnia periods, she was asymptomatic.
REIMÃO RUBENS, SHIMIZU MARISA H. 1998, 'Kleine-levin syndrome: clinical course, polysomnography and multiple sleep latencytest. Case report', Arquivos de Neuro-Psiquiatriahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X1998000400021. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Core symptoms of the disease (hypersomnia and cataplexy) are particularly burdensome for patients.
Adrian Kowalski, Iwona Kowalska, Magdalena Kowalska, Wiktor Dróżdż, Alicja Nowaczyk 2018, 'Narcolepsy in the light of modern diagnostic, clinical and therapeutic concepts',Journal of Education, Health and Sporthttp://www.ojs.ukw.edu.pl/index.php/johs/article/view/6215. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Further studies are required to assess the factors that contribute to migraines in narcolepsy and idiopathic hypersomnia patients.
Keisuke Suzuki, Masayuki Miyamoto, Tomoyuki Miyamoto, Yuichi Inoue, Kentaro Matsui,Shingo Nishida, Kenichi Hayashida, Akira Usui, Yoichiro Ueki, Masaki Nakamura, MomoyoMurata, Ayaka Numao, Yuji Watanabe, Shiho Suzuki, Koichi Hirata 2015, 'The Prevalence and Characteristics of Primary Headache and Dream-Enacting Behaviourin Japanese Patients with Narcolepsy or Idiopathic Hypersomnia: A Multi-Centre Cross-SectionalStudy.', PLoS ONEhttp://europepmc.org/articles/PMC4587931?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These results suggest that the patient's nystagmus and hypersomnia might have their pathological origin in adjacent dorsal pontine regions.
Maria eEngström, Maria eEngström, Thomas eKarlsson, Thomas eKarlsson, Anne-Marie eLandtblom,Anne-Marie eLandtblom 2014, 'Reduced thalamic and pontine connectivity in Kleine-Levin syndrome', Frontiers in Neurologyhttp://journal.frontiersin.org/Journal/10.3389/fneur.2014.00042/full. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In fact, the two patients were consulted, respectively, 3 years and 6 years after the hypersomnia began.
Berthe Assi, Constance Yapo-Ehounoud, Mohamed Ben Allaoui Baby, Evelyne Aka-Diarra,Muriel Amon-Tanoh, Christian Tanoh 2016, 'The Kleine-Levin Syndrome: A Rare Disease with Often Delayed Diagnosis—A Report ofTwo Cases in the Department of Neurology of the University Hospital of Cocody (Côted'Ivoire)', Case Reports in Neurological Medicinehttp://dx.doi.org/10.1155/2016/8929413. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The number of awakenings was slightly higher in the idiopathic hypersomnia group,but there was no statistical significance.
Tae Won Kim, Se Yeon Chang, Soo Hyun Joo, Ho Jun Seo, Jong Hyun Jeong, Jin Hee Han,Emmanuel Mignot, Seung Chul Hong 2012, 'Clinical and Polysomnographic Comparison between Narcolepsy without Cataplexy andIdiopathic Hypersomnia', Sleep Medicine Researchhttp://www.sleepmedres.org/upload/pdf/smr-3-2-39-3.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)