IF EXISTS ( SELECT  *
            FROM    dbo.sysobjects
            WHERE   id = OBJECT_ID(N'[dbo].[Sp_SleepKala]')
                    AND OBJECTPROPERTY(id, N'IsProcedure') = 1 )
    DROP PROCEDURE [dbo].[Sp_SleepKala]

IF EXISTS ( SELECT  *
            FROM    dbo.sysobjects
            WHERE   id = OBJECT_ID(N'[dbo].[Sp_SleepKalaAvg]')
                    AND OBJECTPROPERTY(id, N'IsProcedure') = 1 )
    DROP PROCEDURE [dbo].[Sp_SleepKalaAvg]