Sangchoon Jeon, PhD
Senior Research ScientistCards
About
Research
Publications
Featured Publications
Longitudinal study of light exposure, sleep, rest-activity rhythms, alertness and cognitive function among adults with stable heart failure
Jeon S, Wang Z, Conley S, Lafleur K, Redeker N. Longitudinal study of light exposure, sleep, rest-activity rhythms, alertness and cognitive function among adults with stable heart failure. Chronobiology International 2026, ahead-of-print: 1-13. PMID: 41657003, DOI: 10.1080/07420528.2026.2623046.Peer-Reviewed Original ResearchEffectiveness of cognitive behavioral therapyCognitive behavioral therapyCognitive ability scalesRest-activity rhythmSleep qualityInsomnia Severity IndexPoorer sleep qualityAssociated with insomniaPsychomotor vigilance testBehavioral therapyInter-daily stabilityPittsburgh Sleep Quality IndexCognitive abilitiesSelf-reported sleepinessInsomnia symptomsCognitive functionSleep Quality IndexAbility ScaleCognitive impairmentPVT lapsesVigilance testInsomniaSleep midpointMonths post-interventionLongitudinal studyPhenotypes of sleep health among adults with chronic heart failure in a randomized controlled trial of cognitive behavioral therapy for insomnia
Jeon S, Conley S, O'Connell M, Wang Z, Redeker N. Phenotypes of sleep health among adults with chronic heart failure in a randomized controlled trial of cognitive behavioral therapy for insomnia. Sleep Health 2024, 10: 705-712. PMID: 39482227, PMCID: PMC11624990, DOI: 10.1016/j.sleh.2024.09.006.Peer-Reviewed Original ResearchEmergency department visitsRandomized controlled trial of cognitive behavioral therapyCognitive behavioral therapyTrial of cognitive behavioral therapyDepartment visitsHealth phenotypesRandomized Controlled TrialsBehavioral therapyProportion of participantsGeneralized Estimating EquationsCox proportional hazards modelsProportional hazards modelCircadian quotientLinear mixed modelsLower fatigueGeneralized linear mixed modelsSecondary analysisWalking distanceSleep healthCollected hospitalFunctional performanceSleep phenotypesPoor sleepAdverse healthHeart failure outcomesDaytime symptom trajectories among adults with stable heart failure and insomnia: evidence from a randomised controlled trial of cognitive behavioural therapy for insomnia
Conley S, Jeon S, Wang Z, Tocchi C, Linsky S, O'Connell M, Redeker N. Daytime symptom trajectories among adults with stable heart failure and insomnia: evidence from a randomised controlled trial of cognitive behavioural therapy for insomnia. Journal Of Sleep Research 2023, 33: e14058. PMID: 37933085, PMCID: PMC12824628, DOI: 10.1111/jsr.14058.Peer-Reviewed Original ResearchStable heart failureHeart failureSelf-management groupSymptom trajectoriesCognitive behavioral therapyBehavioral therapyHigher Body Mass IndexGroup-based trajectory modellingHigh symptom burdenHealth-related qualityBody mass indexTrial of CBTFunctional performanceSelf-management interventionsBaseline characteristicsSymptom burdenMass indexBaseline fatigueGroup AHigher oddsSleep characteristicsInsomnia severityGroup DPhysical symptomsInsomniaSleep-related predictors of cognition among adults with chronic insomnia and heart failure enrolled in a randomized controlled trial of cognitive behavioral therapy for insomnia
Redeker N, Conley S, O’Connell M, Geer J, Yaggi H, Jeon S. Sleep-related predictors of cognition among adults with chronic insomnia and heart failure enrolled in a randomized controlled trial of cognitive behavioral therapy for insomnia. Journal Of Clinical Sleep Medicine 2023, 19: 1073-1081. PMID: 36740924, PMCID: PMC10235706, DOI: 10.5664/jcsm.10498.Peer-Reviewed Original ResearchConceptsChronic heart failureCognitive behavioral therapyHeart failureGroup time effectsRest-activity rhythmBehavioral therapyChronic insomniaCBT-I groupSelf-reported cognitive functionProportion of participantsTrial of CBTQuality of lifeSelf-management strategiesGroup-based CBTWalk distanceSleep apneaChronic illnessWrist actigraphyCognitive impairmentInsomniaTherapyCognitive functionMinute walkSelf-reported cognitive abilitiesBaseline cognitionRest-activity rhythms predict time to hospitalizations and emergency department visits among participants in a randomized control of adults with heart failure and insomnia
Jeon S, Conley S, Hollenbeak C, O'Connell M, Wang Z, Tocchi C, Redeker N. Rest-activity rhythms predict time to hospitalizations and emergency department visits among participants in a randomized control of adults with heart failure and insomnia. Sleep Medicine 2023, 108: 1-7. PMID: 37301192, PMCID: PMC10336725, DOI: 10.1016/j.sleep.2023.05.019.Peer-Reviewed Original ResearchConceptsRest-activity rhythmED visitsHeart failureEmergency departmentCircadian quotientEarly hospitalizationWrist actigraphyEarly ED visitsChronic heart failureLow ejection fractionFirst cardiac eventCox proportional hazardsEffects of insomniaCognitive behavioral therapyComposite eventsNYHA classHF patientsCardiac eventsCPAP useSevere painEjection fractionMale sexSevere insomniaHospitalizationInsomnia severityReal-time racial discrimination, affective states, salivary cortisol and alpha-amylase in Black adults
Nam S, Jeon S, Lee SJ, Ash G, Nelson LE, Granger DA. Real-time racial discrimination, affective states, salivary cortisol and alpha-amylase in Black adults. PLOS ONE 2022, 17: e0273081. PMID: 36103465, PMCID: PMC9473392, DOI: 10.1371/journal.pone.0273081.Peer-Reviewed Original ResearchConceptsAutonomic nervous systemEcological momentary assessmentDiurnal slopeCortisol levelsPhysiological stress responseBlack adultsMajor stress response systemsHealthy black adultsFlatter diurnal slopeDiurnal cortisol slopeNervous systemSalivary biomarkersHealth outcomesLarger sample sizeCortisol slopeSalivary cortisolConcurrent useBaseline surveyStress response systemStress responseCross-sectional dataCortisolSame dayFurther studiesAlpha-amylaseTrajectory of self-care in people with stable heart failure and insomnia after two self-care interventions
Conley S, Jeon S, Andrews L, Breazeale S, Hwang Y, O'Connell M, Linsky S, Redeker N. Trajectory of self-care in people with stable heart failure and insomnia after two self-care interventions. Patient Education And Counseling 2022, 105: 3487-3493. PMID: 36088189, PMCID: PMC12860470, DOI: 10.1016/j.pec.2022.09.001.Peer-Reviewed Original ResearchConceptsStable heart failureSelf-care interventionsHeart failureSevere baseline fatigueSelf-care supportSelf-care educationSelf-care groupEffects of CBTCognitive behavioral therapyGroup-based trajectory modelingBaseline fatigueEfficacious interventionsHealthcare providersSecondary analysisInsomniaBehavioral therapySelf-CareChi-squareDemographic characteristicsInterventionT-testFunctional performanceAdultsTrajectory modelingFailureSymptom Cluster Profiles Among Adults with Insomnia and Heart Failure
Conley S, Jeon S, Breazeale S, O’Connell M, Hollenbeak CS, Jacoby D, Linsky S, Yaggi HK, Redeker NS. Symptom Cluster Profiles Among Adults with Insomnia and Heart Failure. Behavioral Sleep Medicine 2022, 21: 150-161. PMID: 35388730, PMCID: PMC9537348, DOI: 10.1080/15402002.2022.2060226.Peer-Reviewed Original ResearchConceptsHigh symptom burdenHeart failureSymptom burdenSleep characteristicsLower symptom burdenChronic heart failureStable heart failureBody mass indexTreatment of insomniaStudy of insomniaHigh symptom profileCognitive behavioral therapyBeta blockersClinical characteristicsDaytime symptomsMass indexSevere insomniaSingle symptomInsomnia severitySymptom profilesInsomniaSymptom clustersBehavioral therapyHigher symptomsSymptomsCognitive behavioral therapy for insomnia has sustained effects on insomnia, fatigue, and function among people with chronic heart failure and insomnia: the HeartSleep Study
Redeker NS, Yaggi HK, Jacoby D, Hollenbeak CS, Breazeale S, Conley S, Hwang Y, Iennaco J, Linsky S, Nwanaji-Enwerem U, O’Connell M, Jeon S. Cognitive behavioral therapy for insomnia has sustained effects on insomnia, fatigue, and function among people with chronic heart failure and insomnia: the HeartSleep Study. Sleep 2021, 45: zsab252. PMID: 34657160, PMCID: PMC8754495, DOI: 10.1093/sleep/zsab252.Peer-Reviewed Original ResearchConceptsChronic heart failureSix-minute walk distanceStable heart failureHeart failureInsomnia severityWalk distanceSleep characteristicsSelf-reported sleep latencyGeneral linear mixed modelSelf-reported sleep characteristicsMonths of treatmentSelf-management educationSelf-management programSleep hygiene educationCognitive behavioral therapyEjection fractionPrimary outcomeDaytime symptomsExcessive daytimePhysical functionDaytime sleepinessSleep latencyMild insomniaSleep qualitySleep efficiencyRacial Discrimination, Sedentary Time, and Physical Activity in African Americans: Quantitative Study Combining Ecological Momentary Assessment and Accelerometers
Nam S, Jeon S, Ash G, Whittemore R, Vlahov D. Racial Discrimination, Sedentary Time, and Physical Activity in African Americans: Quantitative Study Combining Ecological Momentary Assessment and Accelerometers. JMIR Formative Research 2021, 5: e25687. PMID: 34096870, PMCID: PMC8218214, DOI: 10.2196/25687.Peer-Reviewed Original ResearchINTERNATIONAL REGISTERED REPORT IDENTIFIERPhysical activitySedentary timeEcological momentary assessmentDaily racial discriminationHealth behaviorsAfrican AmericansPA outcomesCross-sectional studyHealthy African AmericansPerson associationsCase-crossover designDaily ecological momentary assessmentsTotal energy expenditureSocial stressDay-level associationsLifetime racial discriminationMomentary assessmentDepressive symptomsPrecision health approachYounger ageHealth disparitiesPA levelsHealth approachConcurrent use
Clinical Trials
Current Trials
Lifestyle and Glucose Fluctuations (LGF)
IRB ID2000030766RoleSub InvestigatorPrimary Completion Date07/31/2023Recruiting Participants