diff --git a/src/textual/app.py b/src/textual/app.py
index 03e728ac9..43f1bd56c 100644
--- a/src/textual/app.py
+++ b/src/textual/app.py
@@ -632,6 +632,12 @@ class App(Generic[ReturnType], DOMNode):
                             print(f"press {key!r} (char={char!r})")
                             key_event = events.Key(self, key, char)
                             driver.send_event(key_event)
+                            # TODO: A bit of a fudge - extra sleep after tabbing to help guard against race
+                            #  condition between widget-level key handling and app/screen level handling.
+                            #  More information here: https://github.com/Textualize/textual/issues/1009
+                            #  This conditional sleep can be removed after that issue is closed.
+                            if key == "tab":
+                                await asyncio.sleep(0.05)
                             await asyncio.sleep(0.02)
 
                     await app._animator.wait_for_idle()
diff --git a/tests/snapshot_tests/test_snapshots.py b/tests/snapshot_tests/test_snapshots.py
index 5831e0b78..d68bb5c21 100644
--- a/tests/snapshot_tests/test_snapshots.py
+++ b/tests/snapshot_tests/test_snapshots.py
@@ -58,9 +58,9 @@ def test_checkboxes(snap_compare):
 def test_input_and_focus(snap_compare):
     press = [
         "tab",
-        *list("Darren"),  # Focus first input, write "Darren"
+        *"Darren",  # Focus first input, write "Darren"
         "tab",
-        *list("Burns"),  # Tab focus to second input, write "Burns"
+        *"Burns",  # Tab focus to second input, write "Burns"
     ]
     assert snap_compare("docs/examples/widgets/input.py", press=press)