diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index c4def7f29941b3655d141211495e0d95c5a95f00..94388e47c59270f8028d6317026eaafa3b306bbb 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -157,7 +157,7 @@
    * and/or decrease WATCH_TEMP_INCREASE. WATCH_TEMP_INCREASE should not be set
    * below 2.
    */
-  #define WATCH_TEMP_PERIOD 20                // Seconds
+  #define WATCH_TEMP_PERIOD 35                // Seconds
   #define WATCH_TEMP_INCREASE 2               // Degrees Celsius
 #endif