Cognitive functioning of female nurses during the night shift: The impact of age, clock time, time awake and subjective sleepiness

Chronobiology International
Nataly Zion, Tamar Shochat

Abstract

Decline in cognitive functioning in the workplace is a major concern for health care systems. Understanding factors associated with nighttime functioning is imperative for instituting organizational risk management policies and developing personalized countermeasures. The present study aims to identify individual factors associated with cognitive functioning during the night shift of hospital nurses working on irregular rotating-shift schedules. Ninety-two female nurses were recruited from 17 wards in two general hospitals, using convenience sampling by clusters. Inclusion criteria were working at least 28 h a week (75% of full time) and one night shift per week. Exclusion criteria were pregnancy, diagnosed sleep disorders or medical conditions that may affect sleep and/or function. Cognitive performance was measured during the middle (03:00 h) and at the end (07:00 h) of the night shift using the Digit Symbol Substitution Task (DSST) and the Letter Cancellation Task (LCT) over two night shifts. Subjective sleepiness was assessed by the Karolinska Sleepiness Scale (KSS) at the same time points. All participants completed a sociodemographic questionnaire, the Munich ChronoType Questionnaire for Shift-Workers (MCTQShift) and the ...Continue Reading

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Citations

Apr 9, 2020·Annals of General Psychiatry·Reem Ahmad Jarrad, Sawsan Hammad
Oct 21, 2020·International Journal of Clinical Practice·Süleyman Dönmezdil, Songül Araç
Apr 3, 2021·Frontiers in Human Neuroscience·Valentina AlfonsiLuigi De Gennaro
May 15, 2021·Journal of Sleep Research·Britney M VealSoomi Lee
Jun 2, 2021·The Veterinary Clinics of North America. Small Animal Practice·Meghan T RamosCynthia M Otto

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