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  <element name="EarnoutPaymentsMember" id="slno_EarnoutPaymentsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="EquityAndStockBasedCompensationAbstract" id="slno_EquityAndStockBasedCompensationAbstract" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="FairValueOfAssetsAndLiabilitiesMeasuredOnNonRecurringBasisLineItems" id="slno_FairValueOfAssetsAndLiabilitiesMeasuredOnNonRecurringBasisLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="IncentiveStockOptionsMember" id="slno_IncentiveStockOptionsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IncomeTaxReconciliationChangeInFairValueOfWarrants" id="slno_IncomeTaxReconciliationChangeInFairValueOfWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IndemnificationClaimsMember" id="slno_IndemnificationClaimsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="IvylandPennsylvaniaMember" id="slno_IvylandPennsylvaniaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LesseeLeasingArrangementsOperatingLeasesIncreasestoMonthlyPaymentsTerm" id="slno_LesseeLeasingArrangementsOperatingLeasesIncreasestoMonthlyPaymentsTerm" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LiquidityAndManagementsPlansLineItems" id="slno_LiquidityAndManagementsPlansLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="LiquidityAndManagementsPlansTable" id="slno_LiquidityAndManagementsPlansTable" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrldt:hypercubeItem"/>
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  <element name="MaximumValueOfSharesForIssuanceUnderSecuritiesPurchaseAgreement" id="slno_MaximumValueOfSharesForIssuanceUnderSecuritiesPurchaseAgreement" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NeoForceGroupIncMember" id="slno_NeoForceGroupIncMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NeoForceHoldingsInc.Member" id="slno_NeoForceHoldingsInc.Member" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NeoForceIncMember" id="slno_NeoForceIncMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="NoncashTransactionExerciseofWarrants" id="slno_NoncashTransactionExerciseofWarrants" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="NumberOfBoardMembers" id="slno_NumberOfBoardMembers" type="xbrli:integerItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="NumberofFundsManaged" id="slno_NumberofFundsManaged" type="xbrli:integerItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="OwnershipInterestPercentageofVotingRightsofStock" id="slno_OwnershipInterestPercentageofVotingRightsofStock" type="num:percentItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PatentsAndTrademarkMember" id="slno_PatentsAndTrademarkMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PreferredStockSharesDesignated" id="slno_PreferredStockSharesDesignated" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PreferredStockStatedValuePerShare" id="slno_PreferredStockStatedValuePerShare" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="PrepaidExpensesAndOtherCurrentAssetsPolicyTextBlock" id="slno_PrepaidExpensesAndOtherCurrentAssetsPolicyTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ProceedsFromIssuanceOrSaleOfEquityGross" id="slno_ProceedsFromIssuanceOrSaleOfEquityGross" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="debit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="RedwoodCityCaliforniaMember" id="slno_RedwoodCityCaliforniaMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RevenueMilestoneOneMember" id="slno_RevenueMilestoneOneMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="RevenueMilestoneTwoMember" id="slno_RevenueMilestoneTwoMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="RoyaltyGuaranteesCommitmentsPaymentIntervalPeriodThree" id="slno_RoyaltyGuaranteesCommitmentsPaymentIntervalPeriodThree" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="RoyaltyPaymentPeriod" id="slno_RoyaltyPaymentPeriod" type="xbrli:durationItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SabbyManagementLlcMember" id="slno_SabbyManagementLlcMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SaleOfStockConversionOfConvertibleStockConversionPricePerShare" id="slno_SaleOfStockConversionOfConvertibleStockConversionPricePerShare" type="num:perShareItemType" abstract="false" xbrli:periodType="instant" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="ScheduleOfSignificantAccountingPoliciesLineItems" id="slno_ScheduleOfSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="SeriesAWarrantsToPurchaseCommonStockMember" id="slno_SeriesAWarrantsToPurchaseCommonStockMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesBWarrantCashlessExercisesMember" id="slno_SeriesBWarrantCashlessExercisesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesBWarrantsMember" id="slno_SeriesBWarrantsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesBWarrantToPurchaseCommonStockMember" id="slno_SeriesBWarrantToPurchaseCommonStockMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="SeriescWarrantToPurchaseCommonStockMember" id="slno_SeriescWarrantToPurchaseCommonStockMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesDWarrantsMember" id="slno_SeriesDWarrantsMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="SeriesDWarrantToPurchaseCommonStockMember" id="slno_SeriesDWarrantToPurchaseCommonStockMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantForfeituresInPeriod" id="slno_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantForfeituresInPeriod" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="StockIssuedDuringPeriodSharesExercisedOfWarrants" id="slno_StockIssuedDuringPeriodSharesExercisedOfWarrants" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="StockIssuedDuringPeriodSharesNewIssuesUnderTheAtTheMarketProgram" id="slno_StockIssuedDuringPeriodSharesNewIssuesUnderTheAtTheMarketProgram" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" id="slno_TemporaryEquityStockIssuedDuringPeriodSharesNewIssues" type="xbrli:sharesItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TransactionCostsIncludedinAccruedLiabilities" id="slno_TransactionCostsIncludedinAccruedLiabilities" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="duration" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="TwentySixteenSabbyPurchaseAgreementMember" id="slno_TwentySixteenSabbyPurchaseAgreementMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="TwoThousandAndTenAndTwoThousandAndTwelveConvertiblePromissoryNotesMember" id="slno_TwoThousandAndTenAndTwoThousandAndTwelveConvertiblePromissoryNotesMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="UnrecognizedTaxBenefitsOffsetByValuationAllowance" id="slno_UnrecognizedTaxBenefitsOffsetByValuationAllowance" type="xbrli:monetaryItemType" abstract="false" xbrli:periodType="instant" xbrli:balance="credit" nillable="true" substitutionGroup="xbrli:item"/>
  <element name="WarrantLiabilityDisclosureTextBlock" id="slno_WarrantLiabilityDisclosureTextBlock" type="nonnum:textBlockItemType" abstract="false" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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  <element name="WarrantsToPurchaseCommonStockMember" id="slno_WarrantsToPurchaseCommonStockMember" type="nonnum:domainItemType" abstract="true" xbrli:periodType="duration" nillable="true" substitutionGroup="xbrli:item"/>
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</schema>
