diff --git a/messages/uniworx/utils/table_column/de-de-formal.msg b/messages/uniworx/utils/table_column/de-de-formal.msg
index abc8d219a..d8463570c 100644
--- a/messages/uniworx/utils/table_column/de-de-formal.msg
+++ b/messages/uniworx/utils/table_column/de-de-formal.msg
@@ -114,6 +114,11 @@ TableJobCreationInstance: Ersteller
 ActJobDelete: Job entfernen
 ActJobDeleteForce n@Int: Auch vor #{pluralDEnN n "Minute"} gesperrte Jobs entfernen
 TableJobActDeleteFeedback n@Int m@Int: #{n}/#{m} Jobs entfernt
+ActJobSleep: Test Job einreihen
+JobSleepNr: Anzahl Jobs
+JobSleepSecs: Laufzeit in Sekunden pro Job
+JobSleepNow: Prioriäts-Jobs
+TableJobActSleepFeedback n@Int sec@Int prio@Bool: #{n} #{bool tempty "Prioritäts-" prio}#{pluralDEx 's' n "Job"} mit #{sec}s Laufzeit eingereiht.
 TableFilterComma: Es können mehrere alternative Suchkriterien mit Komma getrennt angegeben werden, wovon mindestens eines erfüllt werden muss.
 TableFilterCommaPlus: Mehrere alternative Suchkriterien mit Komma trennen. Mindestens ein Suchkriterium muss erfüllt werden, zusätzlich zu allen Suchkriterien mit vorangestelltem Plus-Symbol.
 TableFilterCommaPlusShort: Unterstützt mehrere Kriterien mit Komma-Plus, siehe oben.
diff --git a/messages/uniworx/utils/table_column/en-eu.msg b/messages/uniworx/utils/table_column/en-eu.msg
index 2feb3f9dd..8f2f7927f 100644
--- a/messages/uniworx/utils/table_column/en-eu.msg
+++ b/messages/uniworx/utils/table_column/en-eu.msg
@@ -114,6 +114,11 @@ TableJobCreationInstance: Creator
 ActJobDelete: Delete job
 ActJobDeleteForce n: Also delete jobs locked #{pluralENsN n "minute"} ago
 TableJobActDeleteFeedback n@Int m@Int: #{n}/#{m} queued jobs deleted
+ActJobSleep: Enqueue sleep job
+JobSleepNr: Number of jobs
+JobSleepSecs: Seconds per job
+JobSleepNow: Priority jobs
+TableJobActSleepFeedback n@Int sec@Int prio@Bool: #{n} #{bool tempty "priority " prio} sleep #{pluralENs n "job"} for #{sec}s enqueued.
 TableFilterComma: Separate multiple alternative filter criteria by comma, at least one of which must be fulfilled.
 TableFilterCommaPlus: Separate multiple alternative filter criteria by comma, at least one of which must be fulfilled in addition to all criteria preceded by a plus symbol.
 TableFilterCommaPlusShort: Support multiple criteria with comma/plus, see above.
diff --git a/src/Handler/Admin/Crontab.hs b/src/Handler/Admin/Crontab.hs
index 721bd0333..2a3006b79 100644
--- a/src/Handler/Admin/Crontab.hs
+++ b/src/Handler/Admin/Crontab.hs
@@ -114,6 +114,7 @@ getAdminCrontabR = do
 
 
 data JobTableAction = ActJobDelete
+                    | ActJobSleep
   deriving (Eq, Ord, Enum, Bounded, Read, Show, Generic)
 
 instance Universe JobTableAction
@@ -121,9 +122,10 @@ instance Finite JobTableAction
 nullaryPathPiece ''JobTableAction $ camelToPathPiece' 1
 embedRenderMessage ''UniWorX ''JobTableAction id
 
-newtype JobTableActionData = ActJobDeleteData
-                            { jobDeleteLocked :: Bool
-                            }
+data JobTableActionData
+  = ActJobDeleteData { jobDeleteLocked :: Bool }
+  | ActJobSleepData  { jobSleepNr, jobSleepSecs :: Int
+                     , jobSleepNow :: Bool }
   deriving (Eq, Ord, Read, Show, Generic)
 
 
@@ -168,9 +170,18 @@ postAdminJobsR = do
             prismAForm (singletonFilter "job" . maybePrism _PathPiece) mPrev $ aopt (hoistField lift textField) (fslI MsgTableJob)
           ]
         dbtStyle = def { dbsFilterLayout = defaultDBSFilterLayout }
+
+        areq_posIntF msg = areq (posIntFieldI $ SomeMessages " " [SomeMessage msg, SomeMessage MsgMustBePositive]) (fslI msg)
         acts :: Map JobTableAction (AForm Handler JobTableActionData)
-        acts = Map.singleton ActJobDelete $ ActJobDeleteData
-                <$> areq checkBoxField (fslI $ MsgActJobDeleteForce jobDeleteLockMinutes) Nothing
+        acts = Map.fromList
+          [ (ActJobDelete, ActJobDeleteData
+              <$> areq checkBoxField (fslI $ MsgActJobDeleteForce jobDeleteLockMinutes) Nothing
+          ),(ActJobSleep,  ActJobSleepData
+              <$> areq_posIntF             MsgJobSleepNr    (Just    1)
+              <*> areq_posIntF             MsgJobSleepSecs  (Just   60)
+              <*> areq checkBoxField (fslI MsgJobSleepNow)  (Just True)
+          )]
+
         dbtParams = DBParamsForm
           { dbParamsFormAdditional =
             renderAForm FormStandard
@@ -196,7 +207,6 @@ postAdminJobsR = do
       (First (Just act), jobMap) <- inp
       let jobSet = Map.keysSet . Map.filter id $ getDBFormResult (const False) jobMap
       return (act, jobSet)
-  void . queueJob' $ JobSleep 42 -- debug add sleep job
   (jobActRes, jobsTable) <- runDB (over _1 postprocess <$> dbTable jobsDBTableValidator jobsDBTable)
 
   formResult jobActRes $ \case
@@ -219,6 +229,13 @@ postAdminJobsR = do
       addMessageI (bool Success Warning $ rmvd < jobReq) (MsgTableJobActDeleteFeedback rmvd jobReq)
       reloadKeepGetParams AdminJobsR
 
+    (ActJobSleepData{..}, _) -> do
+      let jSleep   = JobSleep jobSleepSecs
+          enqSleep = bool (void . queueJob) queueJob' jobSleepNow jSleep
+      replicateM_ jobSleepNr enqSleep
+      addMessageI Success (MsgTableJobActSleepFeedback jobSleepNr jobSleepSecs jobSleepNow)
+      reloadKeepGetParams AdminJobsR
+
   -- gather some data on job worles
   (nrWorkers, jobStateVar) <- getsYesod (view _appJobWorkers &&& appJobState)
   jState <- atomically $ tryReadTMVar jobStateVar
diff --git a/src/Utils.hs b/src/Utils.hs
index 285740f6a..a4e477ae9 100644
--- a/src/Utils.hs
+++ b/src/Utils.hs
@@ -274,6 +274,10 @@ addAttrsClass cl attrs = ("class", cl') : noClAttrs
 -- tickmark :: IsString a => a
 -- tickmark = fromString "✔"
 
+-- | to conveniently avoid some ambiguous type problems
+tempty :: Text
+tempty = mempty
+
 nonBreakableDash :: Text -- used directly in several messages
 nonBreakableDash = "‑"