diff --git a/lib/trinity/sim.ex b/lib/trinity/sim.ex
index b3739c7..18ec452 100644
--- a/lib/trinity/sim.ex
+++ b/lib/trinity/sim.ex
@@ -1,4 +1,5 @@
 defmodule Trinity.Sim do
+  alias Trinity.SimProcess
   alias Trinity.Scheduler.Simulation
   import Trinity.Scheduler, only: [simulation_key: 0]
 
@@ -18,4 +19,13 @@ defmodule Trinity.Sim do
       _sim -> true
     end
   end
+
+  @spec simulate_work([non_neg_integer]) :: :ok
+  def simulate_work(choices) do
+    case get_sim() do
+      nil -> :noop
+      _sim -> SimProcess.sleep(Enum.random(choices))
+    end
+    :ok
+  end
 end