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Sökning: WFRF:(Van Someren EJW)

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1.
  • van Straten, A., et al. (författare)
  • Guided Internet-delivered cognitive behavioural treatment for insomnia: a randomized trial
  • 2014
  • Ingår i: Psychological Medicine. - : Cambridge University Press. - 0033-2917 .- 1469-8978. ; 44:7, s. 1521-1532
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND:Insomnia is a prevalent problem with a high burden of disease (e.g. reduced quality of life, reduced work capacity) and a high co-morbidity with other mental and somatic disorders. Cognitive behavioural therapy (CBT) is effective in the treatment of insomnia but is seldom offered. CBT delivered through the Internet might be a more accessible alternative. In this study we examined the effectiveness of a guided Internet-delivered CBT for adults with insomnia using a randomized controlled trial (RCT).METHOD:A total of 118 patients, recruited from the general population, were randomized to the 6-week guided Internet intervention (n = 59) or to a wait-list control group (n = 59). Patients filled out an online questionnaire and a 7-day sleep diary before (T0) and after (T1) the 6-week period. The intervention group received a follow-up questionnaire 3 months after baseline (T2).RESULTS:Almost three-quarters (72.9%) of the patients completed the whole intervention. Intention-to-treat (ITT) analysis showed that the treatment had statistically significant medium to large effects (p < 0.05; Cohen's d between 0.40 and 1.06), and resulted more often in clinically relevant changes, on all sleep and secondary outcomes with the exception of sleep onset latency (SOL) and number of awakenings (NA). There was a non-significant difference in the reduction in sleep medication between the intervention (a decrease of 6.8%) and control (an increase of 1.8%) groups (p = 0.20). Data on longer-term effects were inconclusive.CONCLUSIONS:This study adds to the growing body of literature that indicates that guided CBT for insomnia can be delivered through the Internet. Patients accept the format and their sleep improves.
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2.
  • Arendt, Josephine, et al. (författare)
  • Clinical update : melatonin and sleep disorders.
  • 2008
  • Ingår i: Clin Med. - 1470-2118. ; 8:4, s. 381-3
  • Tidskriftsartikel (refereegranskat)abstract
    • Clinical update: melatonin and sleep disorders.Arendt J, Van Someren EJ, Appleton R, Skene DJ, Akerstedt T.Centre for Chronobiology, Faculty of Health and Medical Sciences, University of Surrey, Guildford. j.arendt@surrey.ac.ukThe hormone melatonin is increasingly used for the treatment of certain sleep disorders, particularly those related to disturbed biological rhythms. This article summarises current knowledge of its mechanism of action and identifies situations where there is good evidence for its efficacy. The authors provide advice, based on their own experience and consistent published data, concerning the dose range of melatonin to be used and the critically important question of the timing of treatment. Anecdotal evidence for the use of melatonin needs to be replaced by data from well-controlled, preferably multi-centre, randomised clinical trials.
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3.
  • Axelsson, John, et al. (författare)
  • Beauty sleep : experimental study on the perceived health and attractiveness of sleep deprived people
  • 2010
  • Ingår i: BMJ. British Medical Journal. - 1756-1833. ; 341
  • Tidskriftsartikel (refereegranskat)abstract
    • Our findings show that sleep deprived people appear less healthy, less attractive, and more tired compared with when they are well rested. This suggests that humans are sensitive to sleep related facial cues, with potential implications for social and clinical judgments and behaviour. Studies are warranted for understanding how these effects may affect clinical decision making and can add knowledge with direct implications in a medical context.
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4.
  • Sundelin, Tina, et al. (författare)
  • Cues of fatigue : effects of sleep deprivation on facial appearance
  • 2013
  • Ingår i: Sleep. - 0161-8105 .- 1550-9109. ; 36:9, s. 1355-1360
  • Tidskriftsartikel (refereegranskat)abstract
    • STUDY OBJECTIVE: To investigate the facial cues by which one recognizes that someone is sleep deprived versus not sleep deprived.DESIGN: Experimental laboratory study.SETTING: Karolinska Institutet, Stockholm, Sweden.PARTICIPANTS: Forty observers (20 women, mean age 25 ± 5 y) rated 20 facial photographs with respect to fatigue, 10 facial cues, and sadness. The stimulus material consisted of 10 individuals (five women) photographed at 14:30 after normal sleep and after 31 h of sleep deprivation following a night with 5 h of sleep.MEASUREMENTS: Ratings of fatigue, fatigue-related cues, and sadness in facial photographs.RESULTS: The faces of sleep deprived individuals were perceived as having more hanging eyelids, redder eyes, more swollen eyes, darker circles under the eyes, paler skin, more wrinkles/fine lines, and more droopy corners of the mouth (effects ranging from b = +3 ± 1 to b = +15 ± 1 mm on 100-mm visual analog scales, P < 0.01). The ratings of fatigue were related to glazed eyes and to all the cues affected by sleep deprivation (P < 0.01). Ratings of rash/eczema or tense lips were not significantly affected by sleep deprivation, nor associated with judgements of fatigue. In addition, sleep-deprived individuals looked sadder than after normal sleep, and sadness was related to looking fatigued (P < 0.01).CONCLUSIONS: The results show that sleep deprivation affects features relating to the eyes, mouth, and skin, and that these features function as cues of sleep loss to other people. Because these facial regions are important in the communication between humans, facial cues of sleep deprivation and fatigue may carry social consequences for the sleep deprived individual in everyday life.
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