2024
Phenotypes 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 PMID: 39482227, 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 outcomes0741 Effects of Light Exposure on Sleep, Rest-Activity Rhythms, and Cognitive Function in Adults with Heart Failure
Wang Z, Jeon S, Conley S, LaFleur K, Redeker N. 0741 Effects of Light Exposure on Sleep, Rest-Activity Rhythms, and Cognitive Function in Adults with Heart Failure. Sleep 2024, 47: a317-a318. DOI: 10.1093/sleep/zsae067.0741.Peer-Reviewed Original ResearchRest-activity rhythmHeart failureCircadian quotientCognitive functionAUC ratioInter-daily stabilityPVT lapsesSleep efficiencyRandomized controlled trial of cognitive behavioral therapyTrial of cognitive behavioral therapyChronic heart failureCognitive behavioral therapyMeasure cognitive functionIntra-daily variabilityImprove HF outcomesTotal sleep timeRandomized controlled trialsImproved sleep efficiencyInfluence sleep qualityCircadian rhythm disruptionBehavioral therapyHF outcomesPsychomotor vigilance taskSleep qualityVigilance task
2023
0841 Feasibility of Actigraphy during a Daytime Bright Pilot Study in the Medical ICU
Lukas M, Doyle M, Intihar T, Wright K, Redeker N, Pisani M, Yaggi H, Knauert M. 0841 Feasibility of Actigraphy during a Daytime Bright Pilot Study in the Medical ICU. Sleep 2023, 46: a370-a371. DOI: 10.1093/sleep/zsad077.0841.Peer-Reviewed Original ResearchRest-activity patternsCircadian quotientMICU patientsPilot studyCosinor analysisStudy days 1Illness severity scoresCritical illnessMedical ICUMethods PatientsOngoing RCTsMean ageSeverity scorePatient outcomesActigraphy recordingsPatientsDay 1Patient careCircadian disruptionResults ThirteenActigraphyTotal recordingCircadian alignmentCircadian misalignmentMesorRest-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 severity
2022
0206 Rest-Activity Rhythms are Associated with Sleep Characteristics and Cognitive Functions in People with Heart Failure Over 6 Months
Jeon S, Conley S, O'Connell M, Yang R, Redeker N. 0206 Rest-Activity Rhythms are Associated with Sleep Characteristics and Cognitive Functions in People with Heart Failure Over 6 Months. Sleep 2022, 45: a94-a94. DOI: 10.1093/sleep/zsac079.204.Peer-Reviewed Original ResearchQuality of lifeRest-activity rhythmHeart failureCircadian quotientSignificant intervention effectsSleep characteristicsCognitive functionInsomnia severityHF patientsSleep qualityWrist actigraphyIntervention effectsLower insomnia severitySelf-management educationLong sleep durationTime-group interactionPoor cognitive functionBetter sleep efficiencyCognitive behavioral therapySleep efficiencySleep durationInsomniaBehavioral therapySleep deprivationCosinor analysis
2020
Rest-activity rhythms, daytime symptoms, and functional performance among people with heart failure
Jeon S, Conley S, Redeker NS. Rest-activity rhythms, daytime symptoms, and functional performance among people with heart failure. Chronobiology International 2020, 37: 1223-1234. PMID: 32588662, PMCID: PMC7529895, DOI: 10.1080/07420528.2020.1779280.Peer-Reviewed Original ResearchConceptsRest-activity rhythmStable heart failureHeart failureDaytime symptomsCircadian quotientPoorer New York Heart Association classNew York Heart Association classHF disease management programFunctional performanceBetter NYHA classChronic heart failureMinute walk testDisease management programsLess sleep fragmentationHF independentUnattended polysomnographyNYHA classGreater comorbidityAssociation classWalk testIntra-daily variabilityFunctional outcomePhysical functionPoor functionSleep fragmentation
2017
0704 THE CIRCADIAN QUOTIENT OBTAINED FROM WRIST ACTIGRAPHY EXPLAINS SLEEP QUALITY PARAMETERS AMONG PATIENTS WITH STABLE HEART FAILURE
Jeon S, Knies A, Redeker N. 0704 THE CIRCADIAN QUOTIENT OBTAINED FROM WRIST ACTIGRAPHY EXPLAINS SLEEP QUALITY PARAMETERS AMONG PATIENTS WITH STABLE HEART FAILURE. Sleep 2017, 40: a261-a261. DOI: 10.1093/sleepj/zsx050.703.Peer-Reviewed Original ResearchStable heart failureCircadian quotientYears of ageHeart failureSleep quality parametersREM sleepSleep efficiencyOlder patientsYounger patientsWrist actigraphySleep timeGeneral linear modelSleep quality variablesDaytime activityTotal sleep timeLess daytime activityHF patientsREM percentageNight-time activity levelsNocturnal polysomnographyLower mesorPatient's homePatientsOlder adultsCosinor analysis0706 CONTRIBUTIONS OF INSOMNIA SYMPTOM AND CIRCADIAN RHYTHM OF ACTIVITY PATTERN ON DAYTIME SYMPTOMS AND FUNCTIONAL PERFORMANCE IN STABLE HEART FAILURE PATIENTS
Jeon S, Knies A, Redeker N. 0706 CONTRIBUTIONS OF INSOMNIA SYMPTOM AND CIRCADIAN RHYTHM OF ACTIVITY PATTERN ON DAYTIME SYMPTOMS AND FUNCTIONAL PERFORMANCE IN STABLE HEART FAILURE PATIENTS. Sleep 2017, 40: a261-a262. DOI: 10.1093/sleepj/zsx050.705.Peer-Reviewed Original ResearchStable heart failure patientsHeart failure patientsDaytime symptomsEpworth Sleepiness ScaleInsomnia symptomsCircadian quotientFailure patientsPhysical functionStable HFFunctional performanceOlder adultsStable HF patientsRespiratory disturbance indexSix-minute walkBody mass indexCircadian rhythmCross-sectional studyYears of ageActivity-rest patternNYHA classificationHF patientsMass indexFatigue ScaleEjection factionSleepiness Scale