diff --git a/src/vault/gear/work-force.hpp b/src/vault/gear/work-force.hpp
index 213889b9f..14a2b747f 100644
--- a/src/vault/gear/work-force.hpp
+++ b/src/vault/gear/work-force.hpp
@@ -42,6 +42,7 @@
 #include "lib/nocopy.hpp"
 //#include "lib/symbol.hpp"
 #include "lib/util.hpp"
+#include "lib/format-cout.hpp"////////////////////WIP
 
 //#include <string>
 #include <utility>
@@ -108,6 +109,8 @@ namespace gear {
                     break;
                   if (res == activity::WAIT)
                     res = idleWait();
+                  else
+                    idleCycles = 0;
                   if (res != activity::PASS)
                     break;
                 }
@@ -120,10 +123,16 @@ namespace gear {
         activity::Proc
         idleWait()
           {
-            std::this_thread::sleep_for (CONF::IDLE_WAIT);
-                                ////////////////////////////////WIP extended inactivity detector here
-            return activity::PASS;
+            ++idleCycles;
+            if (idleCycles < CONF::DISMISS_CYCLES)
+              {
+                std::this_thread::sleep_for (CONF::IDLE_WAIT);
+                return activity::PASS;
+              }
+            else  // idle beyond threshold => terminate worker
+              return activity::HALT;
           }
+        size_t idleCycles{0};
       };
   }//(End)namespace work
   
diff --git a/tests/vault/gear/work-force-test.cpp b/tests/vault/gear/work-force-test.cpp
index bc4673d4d..ac426a082 100644
--- a/tests/vault/gear/work-force-test.cpp
+++ b/tests/vault/gear/work-force-test.cpp
@@ -197,8 +197,7 @@ namespace test {
       
       
       
-      /** @test TODO
-       * @todo WIP 9/23 ⟶ define ⟶ implement
+      /** @test a worker can be sent to sleep, reducing the poll frequency.
        */
       void
       verify_workerSleep()
@@ -215,18 +214,34 @@ namespace test {
           sleep_for(10us);
           CHECK (1 == check);
           
-          sleep_for(10ms);     // after waiting one sleep-period...
+          sleep_for(12ms);     // after waiting one sleep-period...
           CHECK (2 == check);  // ...functor invoked again
         }
       
       
       
-      /** @test TODO
-       * @todo WIP 9/23 ⟶ define ⟶ implement
+      /** @test when a worker is sent into sleep-cycles for an extended time,
+       *        the worker terminates itself
        */
       void
       verify_workerDismiss()
         {
+          atomic<uint> check{0};
+          WorkForce wof{setup ([&]{ ++check; return activity::WAIT; })
+                          .withSleepPeriod (10ms)
+                          .dismissAfter(5)};
+          
+          wof.incScale();
+          sleep_for(20us);
+          
+          CHECK (1 == check);
+          
+          sleep_for(10ms);
+          CHECK (2 == check);      // after one wait cycle, one further invocation
+          
+          sleep_for(100ms);
+          CHECK (5 == check);      // only 5 invocations total...
+          CHECK (0 == wof.size()); // ...after that, the worker terminated
         }
       
       
@@ -293,7 +308,7 @@ namespace test {
           atomic<uint> check{0};
           WorkForce wof{setup ([&]{
                                     ++check;
-                                    if (check == 10'000 or check == 10'110)
+                                    if (check == 5'000 or check == 5'110)
                                       return activity::HALT;
                                     else
                                       return activity::PASS;
@@ -308,7 +323,8 @@ namespace test {
           
           CHECK (3 == wof.size());
           
-          sleep_for(200ms);        // ...sufficiently long to count way beyond 10'000
+          sleep_for(500ms);        // ...sufficiently long to count way beyond 10'000
+          CHECK (check > 6'000);
           CHECK (1 == wof.size());
         }
       
diff --git a/wiki/thinkPad.ichthyo.mm b/wiki/thinkPad.ichthyo.mm
index d6f38b113..700671488 100644
--- a/wiki/thinkPad.ichthyo.mm
+++ b/wiki/thinkPad.ichthyo.mm
@@ -80047,8 +80047,8 @@ Date:&#160;&#160;&#160;Thu Apr 20 18:53:17 2023 +0200<br/>
 <node COLOR="#338800" CREATED="1694098789389" ID="ID_1077314922" MODIFIED="1694212909443" TEXT="verify_workerSleep: schl&#xe4;ft auf Anweisung">
 <icon BUILTIN="button_ok"/>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1694098829216" ID="ID_358493866" MODIFIED="1694210792272" TEXT="verify_workerDismiss: terminiert nach l&#xe4;ngerem Schlaf">
-<icon BUILTIN="flag-yellow"/>
+<node COLOR="#338800" CREATED="1694098829216" ID="ID_358493866" MODIFIED="1694216676875" TEXT="verify_workerDismiss: terminiert nach l&#xe4;ngerem Schlaf">
+<icon BUILTIN="button_ok"/>
 <node CREATED="1694212971758" ID="ID_321316770" MODIFIED="1694212980437" TEXT="brauche Konfigurierbarkeit f&#xfc;r Test"/>
 <node CREATED="1694212996114" ID="ID_279149518" MODIFIED="1694213012580" TEXT="...denn im Realbetrieb wird man l&#xe4;nger warten"/>
 </node>