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Title: The Differential Effects of Regular Shift Work and Obstructive Sleep Apnea on Sleepiness, Mood and Neurocognitive Function.
Austin Authors: Cori, Jennifer M ;Jackson, Melinda L ;Barnes, Maree ;Westlake, Justine;Emerson, Paul;Lee, Jacen;Galante, Rosa;Hayley, Amie C ;Wilsmore, Nicholas;Kennedy, Gerard A ;Howard, Mark E 
Affiliation: Institute for Breathing and Sleep, Austin Health, Heidelberg, Victoria, Australia
School of Health & Biomedical Sciences, RMIT University, Bundoora, Victoria, Australia
Department of Medicine, University of Melbourne, Parkville, Victoria, Australia
Hong Kong Clinical Neuropsychology Service, Hong Kong SAR, China
Department of Psychology, Victoria University, St. Albans, Victoria, Australia
Centre for Human Psychopharmacology, Faculty of Health Arts and Design, Swinburne University of Technology, Hawthorn, Victoria, Australia
School of Clinical Sciences at Monash Health, Faculty of Medicine Nursing and Health Sciences, Monash University, Clayton, Victoria, Australia
Department of Respiratory and Sleep Medicine, Eastern Health, Melbourne, Victoria, Australia
Issue Date: 15-Jun-2018 2018-06-15
Publication information: Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine 2018; 14(6): 941-951
Abstract: To assess whether poor sleep quality experienced by regular shift workers and individuals with obstructive sleep apnea (OSA) affects neurobehavioral function similarly, or whether the different etiologies have distinct patterns of impairment. Thirty-seven shift workers (> 24 hours after their last shift), 36 untreated patients with OSA, and 39 healthy controls underwent assessment of sleepiness (Epworth Sleepiness Scale [ESS]), mood (Beck Depression Index, State Trait Anxiety Inventory [STAI], Profile of Mood States), vigilance (Psychomotor Vigilance Task [PVT], Oxford Sleep Resistance Test [OSLER], driving simulation), neurocognitive function (Logical Memory, Trails Making Task, Digit Span Task, Victoria Stroop Test) and polysomnography. Sleepiness (ESS score; median, interquartile range) did not differ between the OSA (10.5, 6.3-14) and shift work (7, 5-11.5) groups, but both had significantly elevated scores relative to the control group (5, 3-6). State anxiety (STAI-S) was the only mood variable that differed significantly between the OSA (35, 29-43) and shift work (30, 24-33.5) groups, however both demonstrated several mood deficits relative to the control group. The shift work and control groups performed similarly on neurobehavioral tasks (simulated driving, PVT, OSLER and neurocognitive tests), whereas the OSA group performed worse. On the PVT, lapses were significantly greater for the OSA group (3, 2-6) than both the shift work (2, 0-3.5) and control (1, 0-4) groups. Shift workers and patients with OSA had similar sleepiness and mood deficits relative to healthy individuals. However, only the patients with OSA showed deficits on vigilance and neurocognitive function relative to healthy individuals. These findings suggest that distinct causes of sleep disturbance likely result in different patterns of neurobehavioral dysfunction.
DOI: 10.5664/jcsm.7156
PubMed URL: 29852909
Type: Journal Article
Subjects: circadian disruption
shift work
sleep quality
sleep-disordered breathing
Appears in Collections:Journal articles

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