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Karolinska Sleepiness Scale (KSS)

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STOP, THAT and One Hundred Other Sleep Scales

Abstract

This scale [1] measures the subjective level of sleepiness at a particular time during the day. On this scale subjects indicate which level best reflects the psycho-physical sate experienced in the last 10 min. The KSS is a measure of situational sleepiness. It is sensitive to fluctuations.

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References

  1. Akerstedt T, Gillberg M. (1990). Subjective and objective sleepiness in the active individual. International Journal of Neuroscience, 52, 29–37.

    Article  PubMed  CAS  Google Scholar 

  2. Kecklund G, Akerstedt T. (1993). Sleepiness in long distance truck driving: an ambulatory EEG study of night driving. Ergonomics, 36, 1007–17.

    Article  PubMed  CAS  Google Scholar 

  3. Kaida M, Takahashi T, Åkerstedt A, Nakata Y, Otsuka T, Haratani K, et al. (2006). Validation of the Karolinska sleepiness scale against performance and EEG variables. Clinical Neurophysiology, 117, 1574–81.

    Article  PubMed  Google Scholar 

Representative Studies Using Scale

  • Gillberg M, Kecklund G, Akerstedt T. (1994). Relations between performance and subjective ratings of sleepiness during a night awake. Sleep, 17, 236–241.

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  • Kaida, K., Ǻkerstedt, T., Kecklund, G., Nilsson, J.P., Axelsson, J. (2007). Use of subjective and physiological indicators of sleepiness to predict performance during a vigilance task. Industrial Health, 45, 520–526.

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  • Maimberg, B., Kecklund, G., Karlson, B., Persson, R., Flisberg, P., Ørbaek, P. (2010). Sleep and recovery in physicians on night call: a longitudinal field study. BMC Health Services Research, 10, 239.

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  • Sallinen, M., Harma, M., Akila, R., Holm, A., Luukkonen, R., Mikola, H., et al. (2004). The effects of sleep debt and monotonous work on sleepiness and performance during a 12-h dayshift. Journal of Sleep Research, 13, 285–94.

    Article  PubMed  Google Scholar 

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Author information

Authors and Affiliations

  1. University of Toronto The Youthdale Child and Adolescent Sleep Centre, 227 Victoria Street, M5B 1T8, Toronto, Canada

    Azmeh Shahid M.D & Kate Wilkinson Ph.D

  2. University of Toronto The Youthdale Child and Adolescent Sleep Centre, 227 Victoria Street, Toronto, Canada

    Shai Marcu M.D

  3. Department of Psychiatry, University of Toronto The Youthdale Child and Adolescent Sleep Centre, 227 Victoria Street, M5B 1T8, Toronto, Canada

    Colin M. Shapiro MBChB., Ph.D., MRCPsych, FRCP(C)

Authors
  1. Azmeh Shahid M.D
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  2. Kate Wilkinson Ph.D
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  3. Shai Marcu M.D
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  4. Colin M. Shapiro MBChB., Ph.D., MRCPsych, FRCP(C)
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Corresponding author

Correspondence to Azmeh Shahid M.D .

Editor information

Editors and Affiliations

  1. University of Toronto, Psychiatry, Youthdale Child and Adolescent Sleep Cen, Victoria Street 227, Toronto, M5B 1TB, Canada

    Azmeh Shahid

  2. Youthdale Child and Adolescent Sleep Cen, University of Toronto, Victoria Street 227, Toronto, M5B 1TB, Canada

    Kate Wilkinson

  3. The Youthdale Child and Adolescent Sleep, University of Toronto, Victoria Street 227, Toronto, Canada

    Shai Marcu

  4. , Department of Psychiatry, The Youthdale Child and Adolescent Sleep, 227 Victoria St., Toronto, M5B 1T8, Canada

    Colin M Shapiro

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Shahid, A., Wilkinson, K., Marcu, S., Shapiro, C.M. (2011). Karolinska Sleepiness Scale (KSS). In: Shahid, A., Wilkinson, K., Marcu, S., Shapiro, C. (eds) STOP, THAT and One Hundred Other Sleep Scales. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-9893-4_47

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  • DOI: https://doi.org/10.1007/978-1-4419-9893-4_47

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4419-9892-7

  • Online ISBN: 978-1-4419-9893-4

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