diff --git a/src/Components/Ble/NimbleController.cpp b/src/Components/Ble/NimbleController.cpp
index 7a7753b1..4c8035b7 100644
--- a/src/Components/Ble/NimbleController.cpp
+++ b/src/Components/Ble/NimbleController.cpp
@@ -33,8 +33,8 @@ NimbleController::NimbleController(Pinetime::System::SystemTask& systemTask,
         spiNorFlash{spiNorFlash},
         dfuService{systemTask, bleController, spiNorFlash},
         currentTimeClient{dateTimeController},
-        alertNotificationClient{systemTask, notificationManager},
         anService{systemTask, notificationManager},
+        alertNotificationClient{systemTask, notificationManager},
         currentTimeService{dateTimeController} {
 
 }
@@ -97,6 +97,8 @@ void NimbleController::Init() {
 }
 
 void NimbleController::StartAdvertising() {
+  if(ble_gap_adv_active()) return;
+
   ble_svc_gap_device_name_set("Pinetime-JF");
 
   /* set adv parameters */
@@ -136,7 +138,7 @@ void NimbleController::StartAdvertising() {
   res = ble_gap_adv_rsp_set_fields(&rsp_fields);
 //  ASSERT(res == 0);
 
-  res = ble_gap_adv_start(addrType, NULL, 10000,
+  res = ble_gap_adv_start(addrType, NULL, 180000,
                           &adv_params, GAPEventCallback, this);
 //  ASSERT(res == 0);// TODO I've disabled these ASSERT as they sometime asserts and reset the mcu.
   // For now, the advertising is restarted as soon as it ends. There may be a race condition
@@ -160,7 +162,6 @@ int NimbleController::OnGAPEvent(ble_gap_event *event) {
     case BLE_GAP_EVENT_ADV_COMPLETE:
       NRF_LOG_INFO("Advertising event : BLE_GAP_EVENT_ADV_COMPLETE");
       NRF_LOG_INFO("advertise complete; reason=%dn status=%d", event->adv_complete.reason, event->connect.status);
-      StartAdvertising();
       break;
     case BLE_GAP_EVENT_CONNECT: {
       NRF_LOG_INFO("Advertising event : BLE_GAP_EVENT_CONNECT");
diff --git a/src/SystemTask/SystemTask.cpp b/src/SystemTask/SystemTask.cpp
index eb36c7b8..b0f58d17 100644
--- a/src/SystemTask/SystemTask.cpp
+++ b/src/SystemTask/SystemTask.cpp
@@ -15,6 +15,12 @@
 
 using namespace Pinetime::System;
 
+void IdleTimerCallback(TimerHandle_t xTimer) {
+  auto sysTask = static_cast<SystemTask *>(pvTimerGetTimerID(xTimer));
+  sysTask->OnIdle();
+}
+
+
 SystemTask::SystemTask(Drivers::SpiMaster &spi, Drivers::St7789 &lcd,
                        Pinetime::Drivers::SpiNorFlash& spiNorFlash, Drivers::Cst816S &touchPanel,
                        Components::LittleVgl &lvgl,
@@ -92,35 +98,55 @@ void SystemTask::Work() {
 
   nrfx_gpiote_in_init(pinTouchIrq, &pinConfig, nrfx_gpiote_evt_handler);
 
+  idleTimer = xTimerCreate ("idleTimer", idleTime, pdFALSE, this, IdleTimerCallback);
+  xTimerStart(idleTimer, 0);
 
   while(true) {
     uint8_t msg;
     if (xQueueReceive(systemTaksMsgQueue, &msg, isSleeping?2500 : 1000)) {
       Messages message = static_cast<Messages >(msg);
       switch(message) {
-        case Messages::GoToRunning: isSleeping = false; break;
+        case Messages::GoToRunning:
+          isSleeping = false;
+          xTimerStart(idleTimer, 0);
+          nimbleController.StartAdvertising();
+          break;
         case Messages::GoToSleep:
           NRF_LOG_INFO("[SystemTask] Going to sleep");
           displayApp->PushMessage(Pinetime::Applications::DisplayApp::Messages::GoToSleep);
-          isSleeping = true; break;
+          isSleeping = true;
+          break;
         case Messages::OnNewTime:
+          xTimerReset(idleTimer, 0);
           displayApp->PushMessage(Pinetime::Applications::DisplayApp::Messages::UpdateDateTime);
           break;
         case Messages::OnNewNotification:
+          xTimerReset(idleTimer, 0);
           displayApp->PushMessage(Pinetime::Applications::DisplayApp::Messages::NewNotification);
           break;
         case Messages::BleConnected:
+          xTimerReset(idleTimer, 0);
           isBleDiscoveryTimerRunning = true;
           bleDiscoveryTimer = 5;
           break;
         case Messages::BleFirmwareUpdateStarted:
+          doNotGoToSleep = true;
+          if(isSleeping) GoToRunning();
           displayApp->PushMessage(Pinetime::Applications::DisplayApp::Messages::BleFirmwareUpdateStarted);
           break;
         case Messages::BleFirmwareUpdateFinished:
+          doNotGoToSleep = false;
+          xTimerStart(idleTimer, 0);
           displayApp->PushMessage(Pinetime::Applications::DisplayApp::Messages::BleFirmwareUpdateFinished);
           if(bleController.State() == Pinetime::Controllers::Ble::FirmwareUpdateStates::Validated)
             NVIC_SystemReset();
           break;
+        case Messages::OnTouchEvent:
+          xTimerReset(idleTimer, 0);
+          break;
+        case Messages::OnButtonEvent:
+          xTimerReset(idleTimer, 0);
+          break;
         default: break;
       }
     }
@@ -146,22 +172,29 @@ void SystemTask::Work() {
 }
 
 void SystemTask::OnButtonPushed() {
-
   if(!isSleeping) {
     NRF_LOG_INFO("[SystemTask] Button pushed");
+    PushMessage(Messages::OnButtonEvent);
     displayApp->PushMessage(Pinetime::Applications::DisplayApp::Messages::ButtonPushed);
   }
   else {
     NRF_LOG_INFO("[SystemTask] Button pushed, waking up");
-    displayApp->PushMessage(Pinetime::Applications::DisplayApp::Messages::GoToRunning);
-    isSleeping = false;
-    displayApp->PushMessage(Pinetime::Applications::DisplayApp::Messages::UpdateBatteryLevel);
+    GoToRunning();
   }
 }
 
+void SystemTask::GoToRunning() {
+  PushMessage(Messages::GoToRunning);
+  displayApp->PushMessage(Applications::DisplayApp::Messages::GoToRunning);
+  displayApp->PushMessage(Applications::DisplayApp::Messages::UpdateBatteryLevel);
+}
+
 void SystemTask::OnTouchEvent() {
   NRF_LOG_INFO("[SystemTask] Touch event");
-  displayApp->PushMessage(Pinetime::Applications::DisplayApp::Messages::TouchEvent);
+  if(!isSleeping) {
+    PushMessage(Messages::OnTouchEvent);
+    displayApp->PushMessage(Pinetime::Applications::DisplayApp::Messages::TouchEvent);
+  }
 }
 
 void SystemTask::PushMessage(SystemTask::Messages msg) {
@@ -173,3 +206,9 @@ void SystemTask::PushMessage(SystemTask::Messages msg) {
     // TODO : should I do something here?
   }
 }
+
+void SystemTask::OnIdle() {
+  if(doNotGoToSleep) return;
+  NRF_LOG_INFO("Idle timeout -> Going to sleep")
+  PushMessage(Messages::GoToSleep);
+}
diff --git a/src/SystemTask/SystemTask.h b/src/SystemTask/SystemTask.h
index 53e69fa7..b6ecf7c9 100644
--- a/src/SystemTask/SystemTask.h
+++ b/src/SystemTask/SystemTask.h
@@ -16,7 +16,7 @@ namespace Pinetime {
     class SystemTask {
       public:
         enum class Messages {GoToSleep, GoToRunning, OnNewTime, OnNewNotification, BleConnected,
-            BleFirmwareUpdateStarted, BleFirmwareUpdateFinished
+            BleFirmwareUpdateStarted, BleFirmwareUpdateFinished, OnTouchEvent, OnButtonEvent
         };
 
         SystemTask(Drivers::SpiMaster &spi, Drivers::St7789 &lcd,
@@ -32,6 +32,9 @@ namespace Pinetime {
 
         void OnButtonPushed();
         void OnTouchEvent();
+
+        void OnIdle();
+
       private:
         TaskHandle_t taskHandle;
 
@@ -64,7 +67,11 @@ namespace Pinetime {
         void Work();
         bool isBleDiscoveryTimerRunning = false;
         uint8_t bleDiscoveryTimer = 0;
+        static constexpr uint32_t idleTime = 5000;
+        TimerHandle_t idleTimer;
+        bool doNotGoToSleep = false;
 
+        void GoToRunning();
     };
   }
 }
\ No newline at end of file