diff --git a/source/Core/Threads/OperatingModes/utils/shouldDeviceShutdown.cpp b/source/Core/Threads/OperatingModes/utils/shouldDeviceShutdown.cpp
new file mode 100644
index 00000000..541a2669
--- /dev/null
+++ b/source/Core/Threads/OperatingModes/utils/shouldDeviceShutdown.cpp
@@ -0,0 +1,24 @@
+#include "OperatingModeUtilities.h"
+
+extern TickType_t lastMovementTime;
+extern TickType_t lastHallEffectSleepStart;
+#include "Buttons.hpp"
+
+bool shouldShutdown(void) {
+  if (getSettingValue(SettingsOptions::ShutdownTime)) { // only allow shutdown exit if time > 0
+    if (lastMovementTime) {
+      if (((TickType_t)(xTaskGetTickCount() - lastMovementTime)) > (TickType_t)(getSettingValue(SettingsOptions::ShutdownTime) * TICKS_MIN)) {
+        return true;
+      }
+    }
+    if (lastHallEffectSleepStart) {
+      if (((TickType_t)(xTaskGetTickCount() - lastHallEffectSleepStart)) > (TickType_t)(getSettingValue(SettingsOptions::ShutdownTime) * TICKS_MIN)) {
+        return true;
+      }
+    }
+  }
+  if (getButtonState() == BUTTON_B_LONG) { // allow also if back button is pressed long
+    return true;
+  }
+  return false;
+}