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  <xs:element id="snda_DebtInstrumentTrancheDomain" abstract="true" name="DebtInstrumentTrancheDomain" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_TrancheOneMember" abstract="true" name="TrancheOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_TrancheTwoMember" abstract="true" name="TrancheTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_ConversantInvestmentAgreementMember" abstract="true" name="ConversantInvestmentAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_SilkInvestmentAgreementMember" abstract="true" name="SilkInvestmentAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_BusinessCombinationRightToReceiveCashPerShare" abstract="false" name="BusinessCombinationRightToReceiveCashPerShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="snda_BusinessCombinationRightToReceiveCommonStockPerShare" abstract="false" name="BusinessCombinationRightToReceiveCommonStockPerShare" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="snda_BusinessCombinationRightToReceiveCommonStockValuePerShare" abstract="false" name="BusinessCombinationRightToReceiveCommonStockValuePerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="snda_BusinessCombinationTransactionReferencePricePercentage" abstract="false" name="BusinessCombinationTransactionReferencePricePercentage" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="snda_BusinessCombinationTransactionReferencePricePerShare" abstract="false" name="BusinessCombinationTransactionReferencePricePerShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="snda_DebtInstrumentNumberOfTranches" abstract="false" name="DebtInstrumentNumberOfTranches" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="snda_DebtInstrumentAccordionFeatureLimitIncrease" abstract="false" name="DebtInstrumentAccordionFeatureLimitIncrease" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_BusinessCombinationInvestmentAgreementLiableExpensesMaximum" abstract="false" name="BusinessCombinationInvestmentAgreementLiableExpensesMaximum" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_BusinessCombinationConsiderationTransferredNumberOfAcquireesSharesToBePaidCash" abstract="false" name="BusinessCombinationConsiderationTransferredNumberOfAcquireesSharesToBePaidCash" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:sharesItemType"/>
  <xs:element id="snda_BusinessCombinationConsiderationTransferredCashPaidPerAcquireeShare" abstract="false" name="BusinessCombinationConsiderationTransferredCashPaidPerAcquireeShare" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="snda_BusinessCombinationConsiderationTransferredAggregateCashConsideration" abstract="false" name="BusinessCombinationConsiderationTransferredAggregateCashConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_BusinessCombinationConsiderationTransferredCashInLieuOfFractionalShares" abstract="false" name="BusinessCombinationConsiderationTransferredCashInLieuOfFractionalShares" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_BusinessCombinationConsiderationTransferredEquityInterestShareExchangeRatio" abstract="false" name="BusinessCombinationConsiderationTransferredEquityInterestShareExchangeRatio" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="snda_BusinessCombinationConsiderationTransferredUpfrontPaymentsPursuantToAdvisorAssetsPurchase" abstract="false" name="BusinessCombinationConsiderationTransferredUpfrontPaymentsPursuantToAdvisorAssetsPurchase" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_BusinessCombinationConsiderationTransferredAdvisorDispositionFee" abstract="false" name="BusinessCombinationConsiderationTransferredAdvisorDispositionFee" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_BusinessCombinationConsiderationTransferredSettlementOfTransactionCosts" abstract="false" name="BusinessCombinationConsiderationTransferredSettlementOfTransactionCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_BusinessCombinationRecognizedLiabilityAssumedAccruedExpensesCurrent" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedAccruedExpensesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_BusinessCombinationRecognizedLiabilityAssumedDeferredIncomeCurrent" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedDeferredIncomeCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_BusinessCombinationRecognizedLiabilityAssumedTaxesPayableCurrent" abstract="false" name="BusinessCombinationRecognizedLiabilityAssumedTaxesPayableCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_PropertyTaxAndInsuranceReservesMember" abstract="true" name="PropertyTaxAndInsuranceReservesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_LenderReserveMember" abstract="true" name="LenderReserveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_CapitalExpenditureReserveMember" abstract="true" name="CapitalExpenditureReserveMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_DepositsPursuantToOutstandingLettersOfCreditMember" abstract="true" name="DepositsPursuantToOutstandingLettersOfCreditMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_AccountingPoliciesTable" abstract="true" name="AccountingPoliciesTable" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrldt:hypercubeItem" type="xbrli:stringItemType"/>
  <xs:element id="snda_HousingAndSupportServicesMember" abstract="true" name="HousingAndSupportServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_PropertiesMember" abstract="true" name="PropertiesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_AccountingPoliciesLineItems" abstract="true" name="AccountingPoliciesLineItems" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:stringItemType"/>
  <xs:element id="snda_NumberOfImpairedAssets" abstract="false" name="NumberOfImpairedAssets" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="snda_ResidencyAgreementsTerminationNoticePeriod" abstract="false" name="ResidencyAgreementsTerminationNoticePeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="snda_NumberOfOperatingLeasedProperties" abstract="false" name="NumberOfOperatingLeasedProperties" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="snda_ConcentrationOfCreditRiskResidentReceivablesPeriod" abstract="false" name="ConcentrationOfCreditRiskResidentReceivablesPeriod" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="snda_ProceedsFromEmployeeRetentionCredit" abstract="false" name="ProceedsFromEmployeeRetentionCredit" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_PercentageOfVotingRights" abstract="false" name="PercentageOfVotingRights" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="snda_LessorOperatingLeasePaymentToBeReceivedAfterYearFour" abstract="false" name="LessorOperatingLeasePaymentToBeReceivedAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_PalatineJointVenturesMember" abstract="true" name="PalatineJointVenturesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_AmTrustMember" abstract="true" name="AmTrustMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_MembershipInterestPurchaseAgreementOutstandingMortgageBalance" abstract="false" name="MembershipInterestPurchaseAgreementOutstandingMortgageBalance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_NumberOfRealEstatePropertiesAcquired" abstract="false" name="NumberOfRealEstatePropertiesAcquired" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="snda_VentureOwnershipPercentage" abstract="false" name="VentureOwnershipPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="snda_NumberOfPropertiesHeldForSale" abstract="false" name="NumberOfPropertiesHeldForSale" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="snda_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization" abstract="false" name="DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_OtherLongLivedTangibleAssetMember" abstract="true" name="OtherLongLivedTangibleAssetMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_SeniorSecuredRevolvingCreditFacilityMember" abstract="true" name="SeniorSecuredRevolvingCreditFacilityMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_FixedRateMortgageNotesMember" abstract="true" name="FixedRateMortgageNotesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_VariableRateMortgagesMember" abstract="true" name="VariableRateMortgagesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_NotesPayableConsolidatedVIEMember" abstract="true" name="NotesPayableConsolidatedVIEMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_LongTermDebtMaturityAfterYearFour" abstract="false" name="LongTermDebtMaturityAfterYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_NotesPayableMember" abstract="true" name="NotesPayableMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_DebtInstrumentVariableRateAtPeriodEnd" abstract="false" name="DebtInstrumentVariableRateAtPeriodEnd" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="snda_ARCreditAgreementMember" abstract="true" name="ARCreditAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_DebtInstrumentAccordionFeatureHighestBorrowingCapacity" abstract="false" name="DebtInstrumentAccordionFeatureHighestBorrowingCapacity" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_LineOfCreditFacilityDecreaseAmountTerminated" abstract="false" name="LineOfCreditFacilityDecreaseAmountTerminated" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_NumberOfCommunities" abstract="false" name="NumberOfCommunities" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="snda_A2025AllyTermLoanMember" abstract="true" name="A2025AllyTermLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_DebtInstrumentFeeAmountPercentage" abstract="false" name="DebtInstrumentFeeAmountPercentage" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:pureItemType"/>
  <xs:element id="snda_DebtInstrumentFaceAmountAdvance" abstract="false" name="DebtInstrumentFaceAmountAdvance" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_DebtInstrumentNumberOfPropertiesUnderLoan" abstract="false" name="DebtInstrumentNumberOfPropertiesUnderLoan" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="snda_DebtInstrumentNumberOfAdditionalDraws" abstract="false" name="DebtInstrumentNumberOfAdditionalDraws" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="snda_DebtInstrumentBasisSpreadOnVariableRatePerformanceBasedStepDownRate" abstract="false" name="DebtInstrumentBasisSpreadOnVariableRatePerformanceBasedStepDownRate" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
  <xs:element id="snda_DebtInstrumentAccordionFeatureIncreaseLimitMaximum" abstract="false" name="DebtInstrumentAccordionFeatureIncreaseLimitMaximum" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_DebtInstrumentMortgageAtCost" abstract="false" name="DebtInstrumentMortgageAtCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_OmnibusAgreementMember" abstract="true" name="OmnibusAgreementMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_FannieMaeLoanMember" abstract="true" name="FannieMaeLoanMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_DebtInstrumentGuarantyPayment" abstract="false" name="DebtInstrumentGuarantyPayment" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_DebtInstrumentPeriodicPrepayment" abstract="false" name="DebtInstrumentPeriodicPrepayment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_ConversantDallasParkwayALPAndConversantDallasParkwayBLPMember" abstract="true" name="ConversantDallasParkwayALPAndConversantDallasParkwayBLPMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_PaymentsForConversionOfStock" abstract="false" name="PaymentsForConversionOfStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_SeriesAConvertiblePreferredStockMember" abstract="true" name="SeriesAConvertiblePreferredStockMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_CommunityFeesMember" abstract="true" name="CommunityFeesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_AncillaryServicesMember" abstract="true" name="AncillaryServicesMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingPeriodConsecutiveTradingDays" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingPeriodConsecutiveTradingDays" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="xbrli:durationItemType"/>
  <xs:element id="snda_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfTranches" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNumberOfTranches" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="snda_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueAssumptionsVestingStockPriceHurdle" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsFairValueAssumptionsVestingStockPriceHurdle" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:perShareItemType"/>
  <xs:element id="snda_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodFairValue" abstract="false" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodFairValue" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_StoneJointVentureMember" abstract="true" name="StoneJointVentureMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_NumberOfJointVenturesInWhichCompanyProvidesReportingServices" abstract="false" name="NumberOfJointVenturesInWhichCompanyProvidesReportingServices" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="xbrli:integerItemType"/>
  <xs:element id="snda_InterestRateCapOneMember" abstract="true" name="InterestRateCapOneMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_InterestRateCapTwoMember" abstract="true" name="InterestRateCapTwoMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_ReportableSegmentMember" abstract="true" name="ReportableSegmentMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_TotalCommunityOperatingExpenseMember" abstract="true" name="TotalCommunityOperatingExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_LaborExpenseMember" abstract="true" name="LaborExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_FoodExpenseMember" abstract="true" name="FoodExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_UtilitiesExpenseMember" abstract="true" name="UtilitiesExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_OtherOperatingExpenseMember" abstract="true" name="OtherOperatingExpenseMember" nillable="true" xbrli:periodType="duration" substitutionGroup="xbrli:item" type="dtr-types:domainItemType"/>
  <xs:element id="snda_CommunityOperatingExpense" abstract="false" name="CommunityOperatingExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType"/>
  <xs:element id="snda_EquitySecuritiesFVNIAnnualNonCompoundingCouponRate" abstract="false" name="EquitySecuritiesFVNIAnnualNonCompoundingCouponRate" nillable="true" xbrli:periodType="instant" substitutionGroup="xbrli:item" type="dtr-types:percentItemType"/>
</xs:schema>
