CimetidineHistamine H2 AntagonistsGuanidinesRanitidineDrug ChronotherapySleepDuodenal UlcerFamotidineReceptors, Histamine H2Gastric AcidDimapritCircadian RhythmAnti-Ulcer AgentsHistamineAntacidsReceptors, HistaminePyrilamineSleep Initiation and Maintenance DisordersInsulin, Long-ActingMagnesium HydroxideInsulin, IsophaneStomach UlcerDouble-Blind MethodHistamine H1 AntagonistsSomnambulismWakefulnessDiphenhydramineHistamine AntagonistsDrug InteractionsCross-Over StudiesHabitsDrug Administration ScheduleReceptors, Histamine H1OmeprazoleOrganic Cation Transport ProteinsCeremonial BehaviorTime FactorsHistamine AgonistsSleep DisordersSleep StagesImpromidineDyssomniasAluminum HydroxideGastric Acidity DeterminationGastric JuiceMelatoninSalivaAdministration, OralClinical Trials as TopicAzabicyclo CompoundsChlorpheniramineMetiamideHypnotics and SedativesPentagastrinSleep DeprivationChronotherapyFurans