ArousalSleep Arousal DisordersEroticaSleep StagesSleepHibernationLibidoWakefulnessPolysomnographyElectroencephalographyGalvanic Skin ResponseSleep, REMEmotionsOrgasmPhotoplethysmographySomnambulismSciuridaeSleep Apnea SyndromesSleep Apnea, ObstructiveHeart RateSexual Dysfunctions, PsychologicalNeuropeptidesRespiratory RateParasomniasElectrooculographySleep DeprivationAffectEstivationBrainAnalysis of VarianceMasturbationElectromyographyAutonomic Nervous SystemNocturnal Myoclonus SyndromeRespirationHypothalamic Area, LateralOrexin ReceptorsTime FactorsPhotic StimulationLocus CoeruleusClitorisReaction TimeHabituation, PsychophysiologicReceptors, NeuropeptideRespiratory Physiological PhenomenaPedophiliaPulmonary VentilationPlethysmographyPenile ErectionAcoustic StimulationCircadian RhythmCerebral CortexAmygdalaBehavior, AnimalBody TemperatureNight TerrorsProne PositionStress, PsychologicalAttentionStartle ReactionSexual Dysfunction, PhysiologicalRespiratory MechanicsTrazodoneHypothalamic HormonesDoxapramSleep Apnea, CentralFearMagnetic Resonance ImagingBrain MappingHypercapnia