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Measurement Methods of Fatigue, Sleepiness, and Sleep Behaviour Aboard Ships: A Systematic Review

Author

Listed:
  • Fiona Kerkamm

    (Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany)

  • Dorothee Dengler

    (Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany)

  • Matthias Eichler

    (Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany)

  • Danuta Materzok-Köppen

    (Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany)

  • Lukas Belz

    (Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany)

  • Felix Alexander Neumann

    (Midwifery Science-Health Services Research and Prevention, Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), 20246 Hamburg, Germany)

  • Birgit Christiane Zyriax

    (Midwifery Science-Health Services Research and Prevention, Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), 20246 Hamburg, Germany)

  • Volker Harth

    (Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany)

  • Marcus Oldenburg

    (Institute for Occupational and Maritime Medicine Hamburg (ZfAM), University Medical Center Hamburg-Eppendorf (UKE), 20459 Hamburg, Germany)

Abstract

Since seafarers are known to be exposed to numerous job-related stress factors that can cause fatigue, sleepiness, and disturbed sleep behaviour, the aim of this review was to provide an overview of the subjective and objective measurement methods of these strains. Using a systematic review, 166 studies were identified within the period of January 2010 to December 2020 using the PubMed database. Of the 21 studies selected, 13 used both subjective and objective measurement methods. Six studies used only subjective and two studies only objective methods. For subjective assessment, 12 different questionnaires could be identified as well as activity and sleeping logs. Actigraphy and reaction time tests (RTT) were the most common objective methods. In single cases, electrooculography (EOG), pupillometry and ambulatory polysomnography (PSG) were used. Measurement-related limitations due to vessel-related impacts were less often reported than expected. No restrictions of daily routines on board were described, and only single-measurement disturbances due to ship movements were mentioned. The present literature review reveals that there are various routines to measure fatigue, sleepiness, and sleep behaviour on board. A combination of subjective and objective methods often appears to be beneficial. The frequent use of actigraphy and RTT on board suggests good feasibility and reliable measurements with these methods. The use of ambulatory PSG in maritime-like contexts suggests that this method would also be feasible on board.

Suggested Citation

  • Fiona Kerkamm & Dorothee Dengler & Matthias Eichler & Danuta Materzok-Köppen & Lukas Belz & Felix Alexander Neumann & Birgit Christiane Zyriax & Volker Harth & Marcus Oldenburg, 2021. "Measurement Methods of Fatigue, Sleepiness, and Sleep Behaviour Aboard Ships: A Systematic Review," IJERPH, MDPI, vol. 19(1), pages 1-20, December.
    • Handle: RePEc:gam:jijerp:v:19:y:2021:i:1:p:120-:d:709415
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    References listed on IDEAS

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    1. Ik-Hyun Youn & Jung-Min Lee, 2020. "Seafarers’ Physical Activity and Sleep Patterns: Results from Asia-Pacific Sea Routes," IJERPH, MDPI, vol. 17(19), pages 1-9, October.
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    Cited by:

    1. Fiona Kerkamm & Dorothee Dengler & Matthias Eichler & Danuta Materzok-Köppen & Lukas Belz & Felix Alexander Neumann & Birgit-Christiane Zyriax & Volker Harth & Marcus Oldenburg, 2023. "Sleep Architecture and Sleep-Related Breathing Disorders of Seafarers on Board Merchant Ships: A Polysomnographic Pilot Field Study on the High Seas," IJERPH, MDPI, vol. 20(4), pages 1-20, February.
    2. Andrea Russo & Rosanda Mulić & Ivana Kolčić & Matko Maleš & Iris Jerončić Tomić & Luka Pezelj, 2023. "Longitudinal Study on the Effect of Onboard Service on Seafarers’ Health Statuses," IJERPH, MDPI, vol. 20(5), pages 1-10, March.

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