John Axelsson

Summary

Affiliation: Karolinska Institutet
Country: Sweden

Publications

  1. ncbi request reprint Sleepiness and performance in response to repeated sleep restriction and subsequent recovery during semi-laboratory conditions
    John Axelsson
    Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
    Chronobiol Int 25:297-308. 2008
  2. pmc Beauty sleep: experimental study on the perceived health and attractiveness of sleep deprived people
    John Axelsson
    Osher Center for Integrative Medicine, Department of Clinical Neuroscience, Karolinska Institutet, 17177 Stockholm, Sweden
    BMJ 341:c6614. 2010
  3. pmc Sleep homeostasis during repeated sleep restriction and recovery: support from EEG dynamics
    Torbjorn Akerstedt
    Stress Research Institute, University of Stockholm, Stockholm, Sweden
    Sleep 32:217-22. 2009
  4. doi request reprint 20th International Symposium on Shiftwork and Working Time: biological mechanisms, recovery, and risk management in the 24-h society
    Goran Kecklund
    Stress Research Institute, Stockholm Unversity, Stockholm, Sweden
    Chronobiol Int 29:531-6. 2012
  5. doi request reprint Accounting for partial sleep deprivation and cumulative sleepiness in the Three-Process Model of alertness regulation
    Torbjorn Akerstedt
    Stress Research Institute, University of Stockholm, Stockholm, Sweden
    Chronobiol Int 25:309-19. 2008
  6. doi request reprint Sleeping during the day: effects on the 24-h patterns of IGF-binding protein 1, insulin, glucose, cortisol, and growth hormone
    Javaid ur Rehman
    Section for Psychology, Department of Clinical Neuroscience, Karolinska Institutet, 171 77 Stockholm, Sweden
    Eur J Endocrinol 163:383-90. 2010
  7. pmc Cues of fatigue: effects of sleep deprivation on facial appearance
    Tina Sundelin
    Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden Department of Psychology, Stockholm University, Stockholm, Sweden
    Sleep 36:1355-60. 2013
  8. ncbi request reprint Less effective executive functioning after one night's sleep deprivation
    Jens P Nilsson
    National Institute for Psychosocial Medicine, Stockholm, Sweden
    J Sleep Res 14:1-6. 2005
  9. doi request reprint Effects of context on sleepiness self-ratings during repeated partial sleep deprivation
    Torbjorn Akerstedt
    Stress Research Institute, Stockholm University, Stockholm, Sweden
    Chronobiol Int 25:271-8. 2008
  10. doi request reprint Short natural sleep is associated with higher T cell and lower NK cell activities
    Elinor Fondell
    Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
    Brain Behav Immun 25:1367-75. 2011

Detail Information

Publications22

  1. ncbi request reprint Sleepiness and performance in response to repeated sleep restriction and subsequent recovery during semi-laboratory conditions
    John Axelsson
    Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden
    Chronobiol Int 25:297-308. 2008
    ..Moreover, it is suggested to measure sleepiness in a standardized situation so as to minimize the influences of contextual factors...
  2. pmc Beauty sleep: experimental study on the perceived health and attractiveness of sleep deprived people
    John Axelsson
    Osher Center for Integrative Medicine, Department of Clinical Neuroscience, Karolinska Institutet, 17177 Stockholm, Sweden
    BMJ 341:c6614. 2010
    ..To investigate whether sleep deprived people are perceived as less healthy, less attractive, and more tired than after a normal night's sleep...
  3. pmc Sleep homeostasis during repeated sleep restriction and recovery: support from EEG dynamics
    Torbjorn Akerstedt
    Stress Research Institute, University of Stockholm, Stockholm, Sweden
    Sleep 32:217-22. 2009
    ..The aim of the present study was to test the response to repeated partial sleep loss through detailed focus on spectral data and parts of sleep...
  4. doi request reprint 20th International Symposium on Shiftwork and Working Time: biological mechanisms, recovery, and risk management in the 24-h society
    Goran Kecklund
    Stress Research Institute, Stockholm Unversity, Stockholm, Sweden
    Chronobiol Int 29:531-6. 2012
    ..The majority of the papers are observational field studies, including some of large sample size, and three studies are well-designed laboratory experiments...
  5. doi request reprint Accounting for partial sleep deprivation and cumulative sleepiness in the Three-Process Model of alertness regulation
    Torbjorn Akerstedt
    Stress Research Institute, University of Stockholm, Stockholm, Sweden
    Chronobiol Int 25:309-19. 2008
    ..2 on the 1-21 unit scale. It was concluded that the accumulation of sleep loss effects on subjective sleepiness may be accounted for by making the recovery function linear below a certain point on the otherwise exponential function...
  6. doi request reprint Sleeping during the day: effects on the 24-h patterns of IGF-binding protein 1, insulin, glucose, cortisol, and growth hormone
    Javaid ur Rehman
    Section for Psychology, Department of Clinical Neuroscience, Karolinska Institutet, 171 77 Stockholm, Sweden
    Eur J Endocrinol 163:383-90. 2010
    ..We investigated how an acute shift of sleep to the daytime affected IGF-binding protein 1 (IGFBP1), which is a risk factor for diabetes...
  7. pmc Cues of fatigue: effects of sleep deprivation on facial appearance
    Tina Sundelin
    Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden Department of Psychology, Stockholm University, Stockholm, Sweden
    Sleep 36:1355-60. 2013
    ..To investigate the facial cues by which one recognizes that someone is sleep deprived versus not sleep deprived...
  8. ncbi request reprint Less effective executive functioning after one night's sleep deprivation
    Jens P Nilsson
    National Institute for Psychosocial Medicine, Stockholm, Sweden
    J Sleep Res 14:1-6. 2005
    ..There were no group differences on psychomotor vigilance, verbal or visuo-spatial working memory. This extends previous knowledge of performance effects of SD, and may be of special importance for individuals with cognitive work tasks...
  9. doi request reprint Effects of context on sleepiness self-ratings during repeated partial sleep deprivation
    Torbjorn Akerstedt
    Stress Research Institute, Stockholm University, Stockholm, Sweden
    Chronobiol Int 25:271-8. 2008
    ..1 KSS units compared to the level of sleepiness self-rated at the end of the reaction-time test. Thus, the results of this study indicate that the context of a sleepiness rating affects the outcome of the rating...
  10. doi request reprint Short natural sleep is associated with higher T cell and lower NK cell activities
    Elinor Fondell
    Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
    Brain Behav Immun 25:1367-75. 2011
    ..The stability of the findings as well as the clinical consequences of the link between short sleep and immune function should be explored in future studies...
  11. ncbi request reprint Sleep and sleepiness in young individuals with high burnout scores
    Marie Söderström
    National Institute of Psychosocial Factors and Health, Stockholm, Sweden
    Sleep 27:1369-77. 2004
    ..The purpose was also to study the diurnal pattern of sleepiness, as well as ratings of work stress and mood in groups with different burnout scores...
  12. doi request reprint Effects of examination stress on psychological responses, sleep and allergic symptoms in atopic and non-atopic students
    Susanna Jernelöv
    Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden
    Int J Behav Med 16:305-10. 2009
    ..Recent findings indicate that atopics may be more vulnerable to stress than non-atopics. However, the roles of psychological well-being and sleep in this presumed increased sensitivity are not known...
  13. doi request reprint The daily variation in sleepiness and its relation to the preceding sleep episode--a prospective study across 42 days of normal living
    Torbjorn Akerstedt
    Stress Research Institute, Stockholm University, Stockholm, Sweden
    J Sleep Res 22:258-65. 2013
    ..It was concluded that the main determinants of daytime sleepiness in a real-life day-to-day context were short sleep, poor sleep and early rising, and that days with high sleepiness ended with ratings of poorer health...
  14. ncbi request reprint Impaired sleep after bedtime stress and worries
    Torbjorn Akerstedt
    Institute for Psychosocial Medicine and Karolinska Institutet, Stockholm, Sweden
    Biol Psychol 76:170-3. 2007
    ..It was concluded that moderate increases in stress/worries at bedtime are associated with moderately impaired sleep...
  15. pmc Efficacy of a behavioral self-help treatment with or without therapist guidance for co-morbid and primary insomnia--a randomized controlled trial
    Susanna Jernelöv
    Department of Clinical Neuroscience, Karolinska Institutet, SE 171 77 Stockholm, Sweden
    BMC Psychiatry 12:5. 2012
    ..We hypothesized that a cognitive behaviorally based self-help book is effective to treat insomnia in individuals, also with co-morbid problems, and that the effect is enhanced by adding brief therapist telephone support...
  16. pmc Learning in a simple biological system: a pilot study of classical conditioning of human macrophages in vitro
    Gustav Nilsonne
    Karolinska Institutet, Osher Center for Integrative Medicine, Department of Clinical Neuroscience, Stockholm, Sweden
    Behav Brain Funct 7:47. 2011
    ..Importantly, whether capacities for simple learning in single cells extend beyond habituation, and how this would be demonstrated, remain open questions...
  17. ncbi request reprint Recovery after shift work: Relation to coronary risk factors in women
    John Axelsson
    Department of Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
    Chronobiol Int 23:1115-24. 2006
    ..It was also shown that susceptible shift workers had worse lipid profiles...
  18. ncbi request reprint Hormonal changes in satisfied and dissatisfied shift workers across a shift cycle
    John Axelsson
    National Institute for Psychosocial Factors and Health, Stockholm, Sweden
    J Appl Physiol 95:2099-105. 2003
    ..Furthermore, morning cortisol was reduced across a shift cycle. It is suggested that reduced testosterone levels may be part of a mechanism of shift work maladjustment...
  19. ncbi request reprint Effects of acutely displaced sleep on testosterone
    John Axelsson
    National Institute for Psychosocial Medicine, 171 77 Stockholm, Sweden
    J Clin Endocrinol Metab 90:4530-5. 2005
    ..It is not yet clear whether the diurnal variation in testosterone is regulated by circadian or homeostatic (sleep) influences...
  20. ncbi request reprint The effects of asking for verbal ratings of sleepiness on sleepiness and its masking effects on performance
    Kosuke Kaida
    National Institute of Occupational Safety and Health JNIOSH, 6 21 1, Nagao, Tamaku, Kawasaki, Kanagawa, Japan
    Clin Neurophysiol 118:1324-31. 2007
    ..This study investigated whether verbal rating sleepiness will itself affect sleepiness and performance...
  21. ncbi request reprint Tolerance to shift work-how does it relate to sleep and wakefulness?
    John Axelsson
    National Institute for Psychosocial Medicine, Box 230, 171 77 Stockholm, Sweden
    Int Arch Occup Environ Health 77:121-9. 2004
    ....
  22. doi request reprint Low diurnal variability of apolipoprotein A1, apolipoprotein B and apolipoprotein B/apolipoprotein A1 ratio during normal sleep and after an acute shift of sleep
    Anders Larsson
    Section of Clinical Chemistry, Department of Medical Sciences, Uppsala University, 751 85 Uppsala, Sweden
    Clin Biochem 41:859-62. 2008
    ..The aim of this study was to study the diurnal variation of the cardiovascular risk markers apolipoprotein A1 and B and apo B/apo A1 ratio...