Featured Publications
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 ResearchMeSH KeywordsAdultAgedCircadian RhythmHeart FailureHumansMalePhysical Functional PerformancePolysomnographySleepSleep Wake DisordersConceptsRest-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 fragmentationSleep Characteristics and Rest–Activity Rhythms Are Associated with Gastrointestinal Symptoms Among Adults with Inflammatory Bowel Disease
Conley S, Jeon S, Lehner V, Proctor DD, Redeker NS. Sleep Characteristics and Rest–Activity Rhythms Are Associated with Gastrointestinal Symptoms Among Adults with Inflammatory Bowel Disease. Digestive Diseases And Sciences 2020, 66: 181-189. PMID: 32193859, PMCID: PMC8162988, DOI: 10.1007/s10620-020-06213-6.Peer-Reviewed Original ResearchConceptsInflammatory bowel diseaseRest-activity rhythmHeartburn/refluxDisease activityGI symptomsSleep characteristicsBowel diseaseGas/bloatingCross-sectional studySpecific sleep characteristicsRAR variablesGastrointestinal symptomsIntra-daily variabilityBackgroundSleep disturbancesSleep efficiencyAimsThe purposeSleep onsetSymptomsAdultsDiseaseRefluxPoor qualityAssociationRhythmRemissionSleep Disturbance, Daytime Symptoms, and Functional Performance in Patients With Stable Heart Failure
Jeon S, Redeker NS. Sleep Disturbance, Daytime Symptoms, and Functional Performance in Patients With Stable Heart Failure. Nursing Research 2016, 65: 259-267. PMID: 27362512, PMCID: PMC4930009, DOI: 10.1097/nnr.0000000000000169.Peer-Reviewed Original ResearchConceptsSelf-reported functional performanceStable heart failureDaytime symptomsHeart failureSleep disturbancesNew York Heart Association class ISix-minute walk testFunctional performanceRespiratory disturbance indexPoorer functional performanceHF patientsSymptom burdenWalk testRespiratory indexObservational studySleep qualityInsomnia symptomsAmbulatory polysomnographyPatientsSecondary analysisSymptomsClass IDisturbance indexExploratory regression analysisRegression analysis
2021
A SAS macro for modelling periodic data using cosinor analysis
Doyle MM, Murphy TE, Pisani MA, Yaggi HK, Jeon S, Redeker NS, Knauert MP. A SAS macro for modelling periodic data using cosinor analysis. Computer Methods And Programs In Biomedicine 2021, 209: 106292. PMID: 34380075, PMCID: PMC8435001, DOI: 10.1016/j.cmpb.2021.106292.Peer-Reviewed Original Research
2020
Daily variations in sleep and glucose in adolescents with type 1 diabetes
Griggs S, Redeker NS, Jeon S, Grey M. Daily variations in sleep and glucose in adolescents with type 1 diabetes. Pediatric Diabetes 2020, 21: 1493-1501. PMID: 32902901, PMCID: PMC7642150, DOI: 10.1111/pedi.13117.Peer-Reviewed Original ResearchConceptsGlucose variability indicesType 1 diabetesGlucose variabilityContinuous glucose monitorSleep disruptionPoor sleepSleep characteristicsHabitual short sleep durationEarlier wake timeShort sleep durationSleep fragmentation indexTotal sleep timeMore sleep disruptionNon-dominant wristVariability indexDay-level associationsGlycemic controlWrist actigraphBlood glucose risk indexSleep efficiencySleep durationSleep timeGlucose patternsGood sleepSleep habitsThe Feasibility of Measuring Sleep and Circadian Characteristics in Adults with Inflammatory Bowel Disease
Conley S, Proctor DD, Lehner V, Jeon S, Redeker NS. The Feasibility of Measuring Sleep and Circadian Characteristics in Adults with Inflammatory Bowel Disease. Western Journal Of Nursing Research 2020, 43: 53-59. PMID: 32517546, PMCID: PMC7704942, DOI: 10.1177/0193945920933926.Peer-Reviewed Original ResearchConceptsInflammatory bowel diseaseBowel diseaseWrist actigraphyInactive inflammatory bowel diseaseActivity diaryElectronic diarySleep/activitySalivary dim light melatonin onsetDim light melatonin onsetRest-activity rhythmWrist actigraphSaliva collectionMelatonin onsetSleepDiseaseActigraphyCircadian characteristicsAdult participantsAdultsCircadian rhythmSalivaDiaryParticipantsRhythmYears
2010
Insomnia Symptoms and Daytime Function in Stable Heart Failure
Redeker NS, Jeon S, Muench U, Campbell D, Walsleben J, Rapoport DM. Insomnia Symptoms and Daytime Function in Stable Heart Failure. Sleep 2010, 33: 1210-1216. PMID: 20857868, PMCID: PMC2938862, DOI: 10.1093/sleep/33.9.1210.Peer-Reviewed Original ResearchConceptsStable heart failureHeart failureInsomnia symptomsDaytime symptomsHF patientsHF disease management programStable chronic HF patientsMedical Outcomes Study SF-36Six-minute walk testPittsburgh Sleep Quality IndexChronic HF patientsDemographic patient characteristicsEpworth Sleepiness ScaleSleep Quality IndexFunctional performanceDisease management programsPatient characteristicsWalk testExcessive daytimeSF-36Daytime functionFull polysomnographyFatigue ScaleDepression ScaleSleepiness Scale