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Items: 40


Using a Single Daytime Performance Test to Identify Most Individuals at High-Risk for Performance Impairment during Extended Wake.

St Hilaire MA, Kristal BS, Rahman SA, Sullivan JP, Quackenbush J, Duffy JF, Barger LK, Gooley JJ, Czeisler CA, Lockley SW.

Sci Rep. 2019 Nov 13;9(1):16681. doi: 10.1038/s41598-019-52930-y.


Associations between sleep disturbances, mental health outcomes and burnout in firefighters, and the mediating role of sleep during overnight work: A cross-sectional study.

Wolkow AP, Barger LK, O'Brien CS, Sullivan JP, Qadri S, Lockley SW, Czeisler CA, Rajaratnam SMW.

J Sleep Res. 2019 Dec;28(6):e12869. doi: 10.1111/jsr.12869. Epub 2019 May 26.


Effects on resident work hours, sleep duration, and work experience in a randomized order safety trial evaluating resident-physician schedules (ROSTERS).

Barger LK, Sullivan JP, Blackwell T, O'Brien CS, St Hilaire MA, Rahman SA, Phillips AJK, Qadri S, Wright KP, Segar JL, McGuire JK, Vitiello MV, de la Iglesia HO, Poynter SE, Yu PL, Zee P, Sanderson AL, Halbower AC, Lockley SW, Landrigan CP, Stone KL, Czeisler CA; ROSTERS Study Group .

Sleep. 2019 Aug 1;42(8). pii: zsz110. doi: 10.1093/sleep/zsz110.


Design and recruitment of the randomized order safety trial evaluating resident-physician schedules (ROSTERS) study.

Blackwell T, Kriesel DR, Vittinghoff E, O'Brien CS, Sullivan JP, Viyaran NC, Rahman SA, Lockley SW, Barger LK, Halbower AC, Poynter SE, Wright KP Jr, Yu PL, Zee PC, Landrigan CP, Czeisler CA, Stone KL; ROSTERS Study Group.

Contemp Clin Trials. 2019 May;80:22-33. doi: 10.1016/j.cct.2019.03.005. Epub 2019 Mar 15.


Caloric and Macronutrient Intake Differ with Circadian Phase and between Lean and Overweight Young Adults.

McHill AW, Czeisler CA, Phillips AJK, Keating L, Barger LK, Garaulet M, Scheer FAJL, Klerman EB.

Nutrients. 2019 Mar 11;11(3). pii: E587. doi: 10.3390/nu11030587.


Dose-Dependent Associations Between Sleep Duration and Unsafe Behaviors Among US High School Students.

Weaver MD, Barger LK, Malone SK, Anderson LS, Klerman EB.

JAMA Pediatr. 2018 Dec 1;172(12):1187-1189. doi: 10.1001/jamapediatrics.2018.2777. No abstract available.


Cross-sectional analysis of sleep-promoting and wake-promoting drug use on health, fatigue-related error, and near-crashes in police officers.

Ogeil RP, Barger LK, Lockley SW, O'Brien CS, Sullivan JP, Qadri S, Lubman DI, Czeisler CA, Rajaratnam SMW.

BMJ Open. 2018 Sep 19;8(9):e022041. doi: 10.1136/bmjopen-2018-022041.


Sleep disorders, depression and anxiety are associated with adverse safety outcomes in healthcare workers: A prospective cohort study.

Weaver MD, Vetter C, Rajaratnam SMW, O'Brien CS, Qadri S, Benca RM, Rogers AE, Leary EB, Walsh JK, Czeisler CA, Barger LK.

J Sleep Res. 2018 Dec;27(6):e12722. doi: 10.1111/jsr.12722. Epub 2018 Aug 1.


Identifying Objective Physiological Markers and Modifiable Behaviors for Self-Reported Stress and Mental Health Status Using Wearable Sensors and Mobile Phones: Observational Study.

Sano A, Taylor S, McHill AW, Phillips AJ, Barger LK, Klerman E, Picard R.

J Med Internet Res. 2018 Jun 8;20(6):e210. doi: 10.2196/jmir.9410.


Effects of Napping During Shift Work on Sleepiness and Performance in Emergency Medical Services Personnel and Similar Shift Workers: A Systematic Review and Meta-Analysis.

Martin-Gill C, Barger LK, Moore CG, Higgins JS, Teasley EM, Weiss PM, Condle JP, Flickinger KL, Coppler PJ, Sequeira DJ, Divecha AA, Matthews ME, Lang ES, Patterson PD.

Prehosp Emerg Care. 2018 Feb 15;22(sup1):47-57. doi: 10.1080/10903127.2017.1376136. Epub 2018 Jan 11.


What an Evidence-based Guideline for Fatigue Risk Management Means for Us: Statements From Stakeholders.

Myers JB, Wages RK, Rowe D, Nollette C, Touchstone M, Sinclair J, Mund EL, Eberly JM, Montes JD, Sherlock RJ, Barger LK, Drummond SPA, Gurubhagavatula I.

Prehosp Emerg Care. 2018 Feb 15;22(sup1):113-118. doi: 10.1080/10903127.2017.1380100. Epub 2018 Jan 11. No abstract available.


Effect of Fatigue Training on Safety, Fatigue, and Sleep in Emergency Medical Services Personnel and Other Shift Workers: A Systematic Review and Meta-Analysis.

Barger LK, Runyon MS, Renn ML, Moore CG, Weiss PM, Condle JP, Flickinger KL, Divecha AA, Coppler PJ, Sequeira DJ, Lang ES, Higgins JS, Patterson PD.

Prehosp Emerg Care. 2018 Feb 15;22(sup1):58-68. doi: 10.1080/10903127.2017.1362087. Epub 2018 Jan 11.


Short Sleep Duration, Obstructive Sleep Apnea, Shiftwork, and the Risk of Adverse Cardiovascular Events in Patients After an Acute Coronary Syndrome.

Barger LK, Rajaratnam SMW, Cannon CP, Lukas MA, Im K, Goodrich EL, Czeisler CA, O'Donoghue ML.

J Am Heart Assoc. 2017 Oct 10;6(10). pii: e006959. doi: 10.1161/JAHA.117.006959.


Later circadian timing of food intake is associated with increased body fat.

McHill AW, Phillips AJ, Czeisler CA, Keating L, Yee K, Barger LK, Garaulet M, Scheer FA, Klerman EB.

Am J Clin Nutr. 2017 Nov;106(5):1213-1219. doi: 10.3945/ajcn.117.161588. Epub 2017 Sep 6.


Irregular sleep/wake patterns are associated with poorer academic performance and delayed circadian and sleep/wake timing.

Phillips AJK, Clerx WM, O'Brien CS, Sano A, Barger LK, Picard RW, Lockley SW, Klerman EB, Czeisler CA.

Sci Rep. 2017 Jun 12;7(1):3216. doi: 10.1038/s41598-017-03171-4.


Randomized, Prospective Study of the Impact of a Sleep Health Program on Firefighter Injury and Disability.

Sullivan JP, O'Brien CS, Barger LK, Rajaratnam SM, Czeisler CA, Lockley SW; Harvard Work Hours, Health and Safety Group.

Sleep. 2017 Jan 1;40(1). doi: 10.1093/sleep/zsw001.


Evidence-Based Guidelines for Fatigue Risk Management in EMS: Formulating Research Questions and Selecting Outcomes.

Patterson PD, Higgins JS, Lang ES, Runyon MS, Barger LK, Studnek JR, Moore CG, Robinson K, Gainor D, Infinger A, Weiss PM, Sequeira DJ, Martin-Gill C.

Prehosp Emerg Care. 2017 Mar-Apr;21(2):149-156. doi: 10.1080/10903127.2016.1241329. Epub 2016 Nov 18.


The development of lighting countermeasures for sleep disruption and circadian misalignment during spaceflight.

Brainard GC, Barger LK, Soler RR, Hanifin JP.

Curr Opin Pulm Med. 2016 Nov;22(6):535-44. doi: 10.1097/MCP.0000000000000329. Review.


Sleep-deprived motor vehicle operators are unfit to drive: a multidisciplinary expert consensus statement on drowsy driving.

Czeisler CA, Wickwire EM, Barger LK, Dement WC, Gamble K, Hartenbaum N, Ohayon MM, Pelayo R, Phillips B, Strohl K, Tefft B, Rajaratnam SMW, Malhotra R, Whiton K, Hirshkowitz M.

Sleep Health. 2016 Jun;2(2):94-99. doi: 10.1016/j.sleh.2016.04.003. Epub 2016 May 10.


Implementing a Sleep Health Education and Sleep Disorders Screening Program in Fire Departments: A Comparison of Methodology.

Barger LK, O'Brien CS, Rajaratnam SM, Qadri S, Sullivan JP, Wang W, Czeisler CA, Lockley SW.

J Occup Environ Med. 2016 Jun;58(6):601-9. doi: 10.1097/JOM.0000000000000709.


Circadian misalignment affects sleep and medication use before and during spaceflight.

Flynn-Evans EE, Barger LK, Kubey AA, Sullivan JP, Czeisler CA.

NPJ Microgravity. 2016 Jan 7;2:15019. doi: 10.1038/npjmgrav.2015.19. eCollection 2016.


Common sleep disorders increase risk of motor vehicle crashes and adverse health outcomes in firefighters.

Barger LK, Rajaratnam SM, Wang W, O'Brien CS, Sullivan JP, Qadri S, Lockley SW, Czeisler CA; Harvard Work Hours Health and Safety Group.

J Clin Sleep Med. 2015 Mar 15;11(3):233-40. doi: 10.5664/jcsm.4534.


Prevalence of sleep deficiency and use of hypnotic drugs in astronauts before, during, and after spaceflight: an observational study.

Barger LK, Flynn-Evans EE, Kubey A, Walsh L, Ronda JM, Wang W, Wright KP Jr, Czeisler CA.

Lancet Neurol. 2014 Sep;13(9):904-12. doi: 10.1016/S1474-4422(14)70122-X. Epub 2014 Aug 7.


Validation of a questionnaire to screen for shift work disorder.

Barger LK, Ogeil RP, Drake CL, O'Brien CS, Ng KT, Rajaratnam SM.

Sleep. 2012 Dec 1;35(12):1693-703. doi: 10.5665/sleep.2246.


Learning to live on a Mars day: fatigue countermeasures during the Phoenix Mars Lander mission.

Barger LK, Sullivan JP, Vincent AS, Fiedler ER, McKenna LM, Flynn-Evans EE, Gilliland K, Sipes WE, Smith PH, Brainard GC, Lockley SW.

Sleep. 2012 Oct 1;35(10):1423-35.


Classifying performance impairment in response to sleep loss using pattern recognition algorithms on single session testing.

St Hilaire MA, Sullivan JP, Anderson C, Cohen DA, Barger LK, Lockley SW, Klerman EB.

Accid Anal Prev. 2013 Jan;50:992-1002. doi: 10.1016/j.aap.2012.08.003. Epub 2012 Sep 5.


Sleep disorders, health, and safety in police officers.

Rajaratnam SM, Barger LK, Lockley SW, Shea SA, Wang W, Landrigan CP, O'Brien CS, Qadri S, Sullivan JP, Cade BE, Epstein LJ, White DP, Czeisler CA; Harvard Work Hours, Health and Safety Group.

JAMA. 2011 Dec 21;306(23):2567-78. doi: 10.1001/jama.2011.1851.


Gender differences in the circadian rhythms of rhesus monkeys.

Barger LK, Hoban-Higgins TM, Fuller CA.

Physiol Behav. 2010 Dec 2;101(5):595-600. doi: 10.1016/j.physbeh.2010.06.002. Epub 2010 Jun 21.


Neurobehavioral, health, and safety consequences associated with shift work in safety-sensitive professions.

Barger LK, Lockley SW, Rajaratnam SM, Landrigan CP.

Curr Neurol Neurosci Rep. 2009 Mar;9(2):155-64. Review.


Effects of the accreditation council for graduate medical education duty hour limits on sleep, work hours, and safety.

Landrigan CP, Fahrenkopf AM, Lewin D, Sharek PJ, Barger LK, Eisner M, Edwards S, Chiang VW, Wiedermann BL, Sectish TC.

Pediatrics. 2008 Aug;122(2):250-8. doi: 10.1542/peds.2007-2306.


Rates of medication errors among depressed and burnt out residents: prospective cohort study.

Fahrenkopf AM, Sectish TC, Barger LK, Sharek PJ, Lewin D, Chiang VW, Edwards S, Wiedermann BL, Landrigan CP.

BMJ. 2008 Mar 1;336(7642):488-91. doi: 10.1136/bmj.39469.763218.BE. Epub 2008 Feb 7.


Effective implementation of work-hour limits and systemic improvements.

Landrigan CP, Czeisler CA, Barger LK, Ayas NT, Rothschild JM, Lockley SW; Harvard Work Hours, Health and Safety Group.

Jt Comm J Qual Patient Saf. 2007 Nov;33(11 Suppl):19-29.


Effects of health care provider work hours and sleep deprivation on safety and performance.

Lockley SW, Barger LK, Ayas NT, Rothschild JM, Czeisler CA, Landrigan CP; Harvard Work Hours, Health and Safety Group.

Jt Comm J Qual Patient Saf. 2007 Nov;33(11 Suppl):7-18.


Assessment of circadian rhythms throughout the menstrual cycle of female rhesus monkeys.

Barger LK, Hoban-Higgins TM, Fuller CA.

Am J Primatol. 2008 Jan;70(1):19-25.


Impact of extended-duration shifts on medical errors, adverse events, and attentional failures.

Barger LK, Ayas NT, Cade BE, Cronin JW, Rosner B, Speizer FE, Czeisler CA.

PLoS Med. 2006 Dec;3(12):e487.


Interns' compliance with accreditation council for graduate medical education work-hour limits.

Landrigan CP, Barger LK, Cade BE, Ayas NT, Czeisler CA.

JAMA. 2006 Sep 6;296(9):1063-70.


Extended work duration and the risk of self-reported percutaneous injuries in interns.

Ayas NT, Barger LK, Cade BE, Hashimoto DM, Rosner B, Cronin JW, Speizer FE, Czeisler CA.

JAMA. 2006 Sep 6;296(9):1055-62.


When policy meets physiology: the challenge of reducing resident work hours.

Lockley SW, Landrigan CP, Barger LK, Czeisler CA; Harvard Work Hours Health and Safety Group.

Clin Orthop Relat Res. 2006 Aug;449:116-27. Review.


Extended work shifts and the risk of motor vehicle crashes among interns.

Barger LK, Cade BE, Ayas NT, Cronin JW, Rosner B, Speizer FE, Czeisler CA; Harvard Work Hours, Health, and Safety Group.

N Engl J Med. 2005 Jan 13;352(2):125-34.


Daily exercise facilitates phase delays of circadian melatonin rhythm in very dim light.

Barger LK, Wright KP Jr, Hughes RJ, Czeisler CA.

Am J Physiol Regul Integr Comp Physiol. 2004 Jun;286(6):R1077-84. Epub 2004 Mar 18.

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