LibidoArousalSexual Dysfunctions, PsychologicalBrain DiseasesOrgasmSexual Dysfunction, PhysiologicalFantasyTranssexualismSexualitySexual BehaviorDydrogesteroneErectile DysfunctionValidation Studies as TopicWord Association TestsBinge DrinkingTestosteronePenile ErectionEjaculationWomen's HealthSleep Arousal DisordersQuestionnairesHormone Replacement TherapyMenopauseEstroneEroticaWashingtonHormonesSleep StagesSleepHibernationPolysomnographyWakefulnessElectroencephalographyGalvanic Skin ResponseEmotionsSleep, REMReproductive BehaviorPhotoplethysmographyMotivationMasturbationSomnambulismAffectSciuridaeSleep Apnea SyndromesSleep Apnea, ObstructiveParasomniasRespiratory RateNeuropeptidesEstivationSleep Deprivation