diff --git a/services/core/java/com/android/server/wm/TaskFragment.java b/services/core/java/com/android/server/wm/TaskFragment.java
index 9d7a6c40d757d..1f3193dddd107 100644
--- a/services/core/java/com/android/server/wm/TaskFragment.java
+++ b/services/core/java/com/android/server/wm/TaskFragment.java
@@ -1987,7 +1987,8 @@ class TaskFragment extends WindowContainer<WindowContainer> {
     }
 
     boolean shouldSleepActivities() {
-        return false;
+        final Task task = getRootTask();
+        return task != null && task.shouldSleepActivities();
     }
 
     @Override