1997
Randomized, double-blind, placebo-controlled crossover trial of modafinil in the treatment of excessive daytime sleepiness in narcolepsy
Broughton R, Fleming J, George C, Hill J, Kryger M, Moldofsky H, Montplaisir J, Morehouse R, Moscovitch A, Murphy W. Randomized, double-blind, placebo-controlled crossover trial of modafinil in the treatment of excessive daytime sleepiness in narcolepsy. Neurology 1997, 49: 444-451. PMID: 9270575, DOI: 10.1212/wnl.49.2.444.Peer-Reviewed Original ResearchConceptsPlacebo-controlled crossover trialOnly significant adverse effectPlacebo-controlled trialExcessive daytime somnolenceMean sleep latencyPeriodic leg movementsEpworth Sleepiness ScaleDaytime sleep episodesInternational diagnostic criteriaSignificant adverse effectsHypertensive patientsMore nauseaBlood pressureDaily doseDaytime somnolenceExcessive daytimeSleep apneaCrossover trialSleep latencyModafinil 200Nocturnal sleepPatient's abilitySleepiness ScaleSleep initiationHeart rate
1994
Effect of Inhaled 3% CO2 on Cheyne-Stokes Respiration in Congestive Heart Failure
Steens R, Millar T, Xiaoling S, Biberdorf D, Buckle P, Ahmed M, Kryger M. Effect of Inhaled 3% CO2 on Cheyne-Stokes Respiration in Congestive Heart Failure. Sleep 1994, 17: 61-68. PMID: 8191204, DOI: 10.1093/sleep/17.1.61.Peer-Reviewed Original ResearchConceptsStable congestive heart failureCheyne-Stokes respirationCongestive heart failureInhalation of CO2Heart failureSleep timeNocturnal arterial oxygen desaturationNight polysomnographic studiesArterial oxygen desaturationMovement sleep timeTotal sleep timeApnea indexOxygen desaturationMost patientsPolysomnographic studySleep latencySleep disruptionClinical significanceCardiac diseaseSleep structurePatientsNeurological diseasesNight 3Virtual abolitionShort duration
1993
Sleep in nondepressed patients with panic disorder: II. Polysomnographic assessment of sleep architecture and sleep continuity
Stein M, Enns M, Kryger M. Sleep in nondepressed patients with panic disorder: II. Polysomnographic assessment of sleep architecture and sleep continuity. Journal Of Affective Disorders 1993, 28: 1-6. PMID: 8326076, DOI: 10.1016/0165-0327(93)90071-q.Peer-Reviewed Original ResearchConceptsPanic disorderAge-comparable healthy controlsNon-depressed patientsTotal sleep timeNondepressed patientsPolysomnographic assessmentDepressed patientsHealthy controlsMajor depressionSleep architectureSleep continuitySleep maintenanceDelta sleepEEG sleepPatientsNormal sleepSleep timeSleepDisordersModest reductionImpairment
1991
Subjective Versus Objective Evaluation of Hypnotic Efficacy: Experience with Zolpidem
Kryger M, Steljes D, Pouliot Z, Neufeld H, Odynski T. Subjective Versus Objective Evaluation of Hypnotic Efficacy: Experience with Zolpidem. Sleep 1991, 14: 399-407. PMID: 1759092, DOI: 10.1093/sleep/14.5.399.Peer-Reviewed Original ResearchConceptsTotal sleep timeSleep latencyNumber of awakeningsSleep timePSG findingsPersistent sleepHypnotic efficacySleep qualityPatients' subjective evaluationSubjective sleep qualityDecreased sleep latencyQuality of sleepShortened sleep latencyTotal wake timeObjective measuresPolysomnographic findingsSleepy patientsChronic insomniaWeeks' useIndividual patientsSleep efficiencySubjective reductionSubjective increaseObjective efficacyPatients
1989
The Effect of L-Tryptophan on Daytime Sleep Latency in Normals: Correlation with Blood Levels
George C, Millar T, Hanly P, Kryger M. The Effect of L-Tryptophan on Daytime Sleep Latency in Normals: Correlation with Blood Levels. Sleep 1989, 12: 345-353. PMID: 2669092, DOI: 10.1093/sleep/12.4.345.Peer-Reviewed Original ResearchConceptsSleep latencyBlood levelsRandom double-blind fashionRapid eye movement (REM) sleepDaytime sleep latencyL-tryptophan's effectsDouble-blind fashionEye movement sleepL-tryptophanSlow-wave sleepL-tryptophan levelsObjective sleepiness measuresKynurenic acidMovement sleepHealthy volunteersWave sleepDrug conditionsSeparate daysSleepSleepiness measuresPlaceboSignificant correlationEssential amino acidsDoseUrine