Sleep StagesSleepSleep, REMSleep DisordersPolysomnographyWakefulnessSleep Apnea SyndromesElectroencephalographySleep Apnea, ObstructiveArousalElectrooculographySleep Initiation and Maintenance DisordersDelta RhythmNocturnal Myoclonus SyndromeCircadian RhythmSleep Apnea, CentralSleep DeprivationElectromyographySignal Processing, Computer-AssistedSupine PositionTime FactorsRespirationBody TemperatureActigraphyDreamsSleep Arousal DisordersDisorders of Excessive SomnolenceSleep BruxismAutonomic Nervous SystemSleep Disorders, IntrinsicHeart RateNarcolepsySeverity of Illness IndexPostureAnalysis of VarianceNonlinear DynamicsReference ValuesSleep Medicine SpecialtyBrainSnoringParasomniasOxygenSleep ParalysisSomnambulismREM Sleep Behavior DisorderContinuous Positive Airway PressureHypnotics and SedativesPharyngeal MusclesRespiratory MechanicsBrain MappingBrain WavesElectrocardiographyHomeostasisQuestionnairesTheta Rhythm