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dc.contributor.authorSaksvik, Simen Berg
dc.date.accessioned2021-05-07T10:16:02Z
dc.date.available2021-05-07T10:16:02Z
dc.date.issued2021
dc.identifier.isbn978-82-326-5452-9
dc.identifier.issn2703-8084
dc.identifier.urihttps://hdl.handle.net/11250/2754125
dc.description.abstractSleep and mild traumatic brain injury Many of the individuals who present to emergency departments or hospitals with a mild traumatic brain injury (mild TBI), often called a concussion, experience problems for a long time after their injury. Sleep-wake disturbances are among the most reported problems. We lack, however, critical knowledge regarding how long these problems lasts, if individuals with mild TBI are more vulnerable to develop such problems and what short-term and long-term consequences sleep-wake disturbances have. The main aim of the present thesis was to investigate the clinical course of sleep-wake disturbances after mild TBI and the consequences of sleep-wake disturbances after mild TBI as compared to patients with other types of injuries and individuals without any injury. We found that increased sleep need, poor sleep quality, excessive daytime sleepiness and fatigue was more common after mild TBI than after other types of injuries. In another study we found that sleeping two hours less than normal (partial sleep deprivation) led to more impulsive responses and lower levels of positive emotions (affect) for healthy young adults. Finally, we found that individuals with mild TBI was particularly vulnerable to the negative consequences poor sleep quality have on the ability to concentrate over time and for mental health, compared to patients with other types of injuries. Taken together, these findings confirm that sleep-wake disturbances are common and persistent problems after a mild TBI and that such problems may have short-term and long-term consequences for cognitive and mental health. These findings are an important step towards developing more person-adapted and targeted treatment for patients with mild TBI and other patient groups.en_US
dc.description.abstractSammendrag Søvn og lette hodeskader Mange som kommer til legevakt eller sykehus med lettehodeskader, eller det vi ofte kaller hjernerystelser, kan oppleve plager i lang tid etter skaden. Vansker med søvn er blant de vanligste plagene som rapporteres. Vi mangler imidlertid kunnskap om hvor lenge slike problemer varer, om personer med hjernerystelser er mer utsatt for å utvikle søvnvansker og hvilke konsekvenser slike problemer har. Målet med denne avhandlingen har vært å undersøke klinisk forløp av søvnvansker etter hjernerystelser, og konsekvenser av søvnvansker etter hjernerystelser sammenlignet med pasienter med andre typer skader og personer uten noen skader. Vi fant at problemer som økt søvnbehov, dårlig søvnkvalitet, økt søvnighet på dagtid og utmattelse (fatigue) var mye vanligere etter hjernerystelser enn etter andre typer skader. I en annen studie fant vi at det å sove to timer kortere enn normalt (delvis søvndeprivasjon) førte til mer impulsive responser og et lavere nivå av positive emosjoner for friske frivillige unge voksne. Til slutt fant vi at pasienter med hjernerystelser var spesielt utsatt for de negative konsekvensene dårlig søvnkvalitet har på det å konsentrere seg over tid og psykisk helse sammenlignet med pasienter med skader til andre deler av kroppen. Samlet sett bekrefter disse funnene at søvnvansker er vanlige og vedvarende problemer etter hjernerystelser og at slike problem kan ha både forbigående og langvarige konsekvenser for kognitiv og psykisk helse. Disse funnene er et viktig skritt på veien mot å kunne tilby mer persontilpasset behandling for pasienter med hjernerystelser og andre pasientgrupper.en_US
dc.language.isoengen_US
dc.publisherNTNUen_US
dc.relation.ispartofseriesDoctoral theses at NTNU;2021:163
dc.relation.haspartPaper 1: Saksvik, Simen Berg; Karaliute, Migle; Kallestad, Håvard; Follestad, Turid; Asarnow, Robert F.; Vik, Anne; Håberg, Asta; Skandsen, Toril; Olsen, Alexander. The prevalence and stability of sleep-wake disturbance and fatigue throughout the first year after mild traumatic brain injury. Journal of Neurotrauma 2020 ;Volum 37.(23) s. 2528-2541 http://doi.org/10.1089/neu.2019.6898 This Open Access article is distributed under the terms of the Creative Commons License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0/)en_US
dc.relation.haspartPaper 2: Saksvik-Lehouillier, Ingvild ; Saksvik, Simen Berg; Dahlberg, Berit Johanna; Tanum, Tiril Kristine; Ringen, Heidi; Karlsen, Håvard Rudi; Smedbøl, Trine; Sørengaard, Torhild Anita; Stople, Mailen; Kallestad, Håvard; Olsen, Alexander. Mild to moderate partial sleep deprivation is associated with increased impulsivity and decreased positive affect in young adults. Sleep 2020 ;Volum 43.(10) s. 1-10. https://doi.org/10.1093/sleep/zsaa078 This is an Open Access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0) (http://creativecommons.org/licenses/by/4.0/)en_US
dc.relation.haspartPaper 3: Saksvik, Simen Berg; Smevik, Hanne; Stenberg, Jonas; Asarnow, Robert F.; Kallestad, Håvard; Skandsen, Toril; Olsen, Alexander. Poor sleep quality is associated with greater negative consequences for neurocognitive and psychological health after mild traumatic brain injury than after orthopedic injury.en_US
dc.titleSleep and mild traumatic brain injuryen_US
dc.typeDoctoral thesisen_US


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