diff --git a/app/debug_overlay.conf b/app/debug_overlay.conf
index 015a031f2410..439af1b67ea0 100644
--- a/app/debug_overlay.conf
+++ b/app/debug_overlay.conf
@@ -1 +1,11 @@
 CONFIG_DEBUG=y
+CONFIG_ASSERT=y
+
+# Following options can be enabled additionally,
+# but will incur a higher runtime cost, so are thus
+# disabled by default.
+#
+# CONFIG_STACK_SENTINEL=y
+# CONFIG_SYS_HEAP_VALIDATE=y
+# CONFIG_SPIN_VALIDATE=y
+# CONFIG_SPIN_LOCK_TIME_LIMIT=50000