Sleep StagesSleepSleep, REMSleep DisordersPolysomnographyWakefulnessSleep Apnea SyndromesSleep Apnea, ObstructiveMovementElectroencephalographyArousalElectrooculographySleep Initiation and Maintenance DisordersNocturnal Myoclonus SyndromeSleep Apnea, CentralCircadian RhythmDelta RhythmElectromyographySleep DeprivationSignal Processing, Computer-AssistedEye MovementsSupine PositionTime FactorsActigraphyRespirationBody TemperatureDisorders of Excessive SomnolencePostureSleep BruxismSleep Disorders, IntrinsicAutonomic Nervous SystemHeart RateNonlinear DynamicsSeverity of Illness IndexAnalysis of VarianceNarcolepsySleep Arousal DisordersSleep Medicine SpecialtySnoringHead MovementsREM Sleep Behavior DisorderMovement DisordersSleep ParalysisPsychomotor PerformanceBrainReference ValuesDreamsOxygenBrain MappingContinuous Positive Airway PressurePlant Viral Movement ProteinsQuestionnairesElectrocardiographyReproducibility of ResultsFetal MovementHypnotics and SedativesFatigueMelatoninHabitsReaction Time