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dc.contributor.authorLee, Michael L-
dc.contributor.authorHoward, Mark E-
dc.contributor.authorHorrey, William J-
dc.contributor.authorLiang, Yulan-
dc.contributor.authorAnderson, Clare-
dc.contributor.authorShreeve, Michael S-
dc.contributor.authorO'Brien, Conor S-
dc.contributor.authorCzeisler, Charles A-
dc.identifier.citationProceedings of the National Academy of Sciences of the United States of America 2016; 113(1): 176-181-
dc.description.abstractNight-shift workers are at high risk of drowsiness-related motor vehicle crashes as a result of circadian disruption and sleep restriction. However, the impact of actual night-shift work on measures of drowsiness and driving performance while operating a real motor vehicle remains unknown. Sixteen night-shift workers completed two 2-h daytime driving sessions on a closed driving track at the Liberty Mutual Research Institute for Safety: (i) a postsleep baseline driving session after an average of 7.6 ± 2.4 h sleep the previous night with no night-shift work, and (ii) a postnight-shift driving session following night-shift work. Physiological measures of drowsiness were collected, including infrared reflectance oculography, electroencephalography, and electrooculography. Driving performance measures included lane excursions, near-crash events, and drives terminated because of failure to maintain control of the vehicle. Eleven near-crashes occurred in 6 of 16 postnight-shift drives (37.5%), and 7 of 16 postnight-shift drives (43.8%) were terminated early for safety reasons, compared with zero near-crashes or early drive terminations during 16 postsleep drives (Fishers exact: P = 0.0088 and P = 0.0034, respectively). Participants had a significantly higher rate of lane excursions, average Johns Drowsiness Scale, blink duration, and number of slow eye movements during postnight-shift drives compared with postsleep drives (3.09/min vs. 1.49/min; 1.71 vs. 0.97; 125 ms vs. 100 ms; 35.8 vs. 19.1; respectively, P < 0.05 for all). Night-shift work increases driver drowsiness, degrading driving performance and increasing the risk of near-crash drive events. With more than 9.5 million Americans working overnight or rotating shifts and one-third of United States commutes exceeding 30 min, these results have implications for traffic and occupational safety.-
dc.subjectdrowsy driving-
dc.subjectinfrared oculography-
dc.titleHigh risk of near-crash driving events following night-shift work.-
dc.typeJournal Article-
dc.typeResearch Support, N.I.H., Extramural-
dc.typeResearch Support, Non-U.S. Gov't-
dc.typeResearch Support, U.S. Gov't, Non-P.H.S.-
dc.identifier.journaltitleProceedings of the National Academy of Sciences of the United States of America-
dc.identifier.affiliationDivision of Sleep and Circadian Disorders, Departments of Medicine and Neurology, Brigham and Women's Hospital, Boston, MA 02115en
dc.identifier.affiliationDepartment of Respiratory and Sleep Medicine, Austin Health, Heidelberg, Victoria, Australia-
dc.identifier.affiliationInstitute for Breathing and Sleep, Austin Health, Heidelberg, Victoria, Australia-
dc.identifier.affiliationDivision of Sleep Medicine, Harvard Medical School, Boston, MA 02115-
dc.identifier.affiliationCenter for Behavioral Sciences, Liberty Mutual Research Institute for Safety, Hopkinton, MA 01748-
dc.identifier.affiliationMonash Institute of Cognitive and Clinical Neurosciences, School of Psychological Sciences, Faculty of Medicine, Nursing and Health Sciences, Monash University, Clayton, VIC 3800, Australia-
Appears in Collections:Journal articles

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