diff --git a/core/java/android/util/FeatureFlagUtils.java b/core/java/android/util/FeatureFlagUtils.java
index fe6ae78ccf2da..3be4c3edc10e6 100644
--- a/core/java/android/util/FeatureFlagUtils.java
+++ b/core/java/android/util/FeatureFlagUtils.java
@@ -98,7 +98,7 @@ public class FeatureFlagUtils {
         DEFAULT_FLAGS.put("settings_search_always_expand", "true");
         DEFAULT_FLAGS.put(SETTINGS_APP_LANGUAGE_SELECTION, "true");
         DEFAULT_FLAGS.put(SETTINGS_ENABLE_MONITOR_PHANTOM_PROCS, "true");
-        DEFAULT_FLAGS.put(SETTINGS_APP_ALLOW_DARK_THEME_ACTIVATION_AT_BEDTIME, "false");
+        DEFAULT_FLAGS.put(SETTINGS_APP_ALLOW_DARK_THEME_ACTIVATION_AT_BEDTIME, "true");
         DEFAULT_FLAGS.put(SETTINGS_HIDE_SECOND_LAYER_PAGE_NAVIGATE_UP_BUTTON_IN_TWO_PANE, "true");
     }