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• The self-reported causes of sleepiness in shift-working tram and truck drivers 

  Onninen, Jussi; Pylkkönen, Mia; Hakola, Tarja; Puttonen, Sampsa; Virkkala, Jussi; Tolvanen, Asko; Sallinen, Mikael (Elsevier, 2021)

  Identifying the causes of sleepiness in various safety-critical work environments is necessary for implementing more efficient fatigue management strategies. In transportation, little is known about drivers’ own perceptions ...

• Sleep and sleepiness in shift-working tram drivers 

  Onninen, Jussi; Hakola, Tarja; Puttonen, Sampsa; Tolvanen, Asko; Virkkala, Jussi; Sallinen, Mikael (Elsevier, 2020)

  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 ...

• The Effects of Individual Characteristics of the Naval Personnel on Sleepiness and Stress during Two Different Watchkeeping Schedules 

  Myllylä, Mikko; Kyröläinen, Heikki; Ojanen, Tommi; Ruohola, Juha-Petri; Heinonen, Olli J.; Simola, Petteri; Vahlberg, Tero; Parkkola, Kai I. (MDPI, 2022)

  Background: Naval service can have a significant impact on the wellbeing of seafarers, and the operation of warships is highly dependent on the personnel on board. Nevertheless, there is a lack of knowledge concerning the ...

• Effects of operational assessment of the 4:4 and 4:4/6:6 watch systems on sleepiness, fatigue, and stress responses during patrolling on a navy missile patrol boat 

  Myllylä, Mikko; Kyröläinen, Heikki; Ojanen, Tommi; Ruohola, Juha-Petri; Heinonen, Olli J.; Vahlberg, Tero; Parkkola, Kai I. (Taylor & Francis, 2022)

  The operation of naval vessels involves watchkeeping 24 h per day, which is globally carried out by a variety of different watch systems. In this study, the rotating 4:4 and fixed 4:4/6:6 two-section watch systems were ...

• Associations Between Adolescents' Subjectively Experienced Emotions and Psychophysiological Reactions in Achievement Situations 

  Kiuru, Noona; Trög, Anna-Sofia; Pasanen, Marika; Tourunen, Anu; Mikkonen, Jarno; Ahonen, Timo; Penttonen, Markku (Wayne State University Press, 2022)

  This study investigated associations of early adolescents' (N=190, median age = 12) subjectively experienced emotions and psychophysiological reactions in achievement situations. Self-reported questions assessed adolescents' ...