diff --git a/config/sofle.conf b/config/sofle.conf
index c1d4073..d309af0 100644
--- a/config/sofle.conf
+++ b/config/sofle.conf
@@ -39,3 +39,6 @@ CONFIG_ZMK_BACKLIGHT=y
 CONFIG_ZMK_BACKLIGHT_BRT_START=100
 CONFIG_ZMK_BACKLIGHT_ON_START=y
 CONFIG_ZMK_BACKLIGHT_AUTO_OFF_IDLE=n
+
+CONFIG_ZMK_IDLE_SLEEP_TIMEOUT=90000
+