Sleep StagesSleepSleep, REMPolysomnographySleep DisordersWakefulnessSleep Apnea SyndromesElectroencephalographyArousalSleep Apnea, ObstructiveElectrooculographyNocturnal Myoclonus SyndromeDelta RhythmSleep Apnea, CentralSleep Initiation and Maintenance DisordersCircadian RhythmSleep DeprivationSignal Processing, Computer-AssistedSupine PositionElectromyographyTime FactorsRespirationAutonomic Nervous SystemHeart RateBody TemperatureNonlinear DynamicsPostureSeverity of Illness IndexActigraphyReference ValuesOxygenAnalysis of VarianceDisorders of Excessive SomnolenceSleep BruxismSleep Disorders, IntrinsicBrainElectrocardiography