diff --git a/platformio.ini b/platformio.ini
index 3cce0d1..d19f111 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -5,7 +5,7 @@
 ;   Library options: dependencies, extra library storages
 ;   Advanced options: extra scripting
 ;
-; Temperatur messen und an MQTT senden
+; Temperatur messen und an MQTT senden, danach deepSleep
 ;
 
 [env:dfrobot_firebeetle2_esp32e]
diff --git a/src/main.cpp b/src/main.cpp
index b1fcc32..b45c729 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -3,7 +3,7 @@
 #include "LocalNetworkManager.h"
 
 #define uS_TO_S_FACTOR 1000000ULL /* Conversion factor for micro seconds to seconds */
-#define SLEEP 300  // Sleep time in seconds
+#define SLEEP 900  // Sleep time in seconds
 
 constexpr unsigned int SENSOR_PIN{ D3 };
 AM2302::AM2302_Sensor am2302{ SENSOR_PIN };