Onninen , J , Hakola , T , Puttonen , S , Tolvanen , A , Virkkala , J & Sallinen , M 2020 , ' Sleep and sleepiness in shift-working tram drivers ' , Applied Ergonomics , vol. 88 , 103153 . https://doi.org/10.1016/j.apergo.2020.103153
Title: | Sleep and sleepiness in shift-working tram drivers |
Author: | Onninen, Jussi; Hakola, Tarja; Puttonen, Sampsa; Tolvanen, Asko; Virkkala, Jussi; Sallinen, Mikael |
Contributor organization: | HUS Neurocenter Kliinisen neurofysiologian yksikkö University of Helsinki Helsinki University Hospital Area |
Date: | 2020-10 |
Language: | eng |
Number of pages: | 8 |
Belongs to series: | Applied Ergonomics |
ISSN: | 0003-6870 |
DOI: | https://doi.org/10.1016/j.apergo.2020.103153 |
URI: | http://hdl.handle.net/10138/333354 |
Abstract: | Driver sleepiness contributes to traffic accidents. However, sleepiness in urban public transport remains an understudied subject. To fill this gap, we examined the sleepiness, sleep, and on-duty sleepiness countermeasures (SCMs) in 23 tram drivers working morning, day, and evening shifts for three weeks. Sleepiness was measured using Karolinska Sleepiness Scale (KSS). Nocturnal total sleep time (TST) was measured with wrist actigraphy. SCMs and naps were self-reported with a smartphone application. Caffeine and napping were considered effective SCMs. Severe sleepiness (KSS >= 7) was observed in 22% of shifts with no differences between shift types. Rest breaks were associated with slight reductions in sleepiness. TST between days off averaged 7 h but was 1 h 33 min and 38 min shorter prior to morning and day shifts, respectively. The use of effective SCMs showed little variance between shift types. These results highlight the need for fatigue management in non-night-working tram drivers. |
Subject: |
Sleep loss
Urban transportation Driver fatigue INDIVIDUAL-DIFFERENCES FATIGUE HAUL COUNTERMEASURES CAFFEINE RISK REST ROAD 3142 Public health care science, environmental and occupational health 515 Psychology |
Peer reviewed: | Yes |
Usage restriction: | openAccess |
Self-archived version: | publishedVersion |
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