diff --git a/services/core/java/com/android/server/wm/TaskFragment.java b/services/core/java/com/android/server/wm/TaskFragment.java
index ec6741464a80b..1a3e7d1958595 100644
--- a/services/core/java/com/android/server/wm/TaskFragment.java
+++ b/services/core/java/com/android/server/wm/TaskFragment.java
@@ -1904,7 +1904,8 @@ class TaskFragment extends WindowContainer<WindowContainer> {
     }
 
     boolean shouldSleepActivities() {
-        return false;
+        final Task task = getRootTask();
+        return task != null && task.shouldSleepActivities();
     }
 
     @Override