diff --git a/devicetypes/smartthings/hue-bloom.src/hue-bloom.groovy b/devicetypes/smartthings/hue-bloom.src/hue-bloom.groovy
index 9f7d804..ff4405a 100644
--- a/devicetypes/smartthings/hue-bloom.src/hue-bloom.groovy
+++ b/devicetypes/smartthings/hue-bloom.src/hue-bloom.groovy
@@ -57,7 +57,7 @@ metadata {
 }
 
 void installed() {
-	sendEvent(name: "checkInterval", value: 60 * 30, data: [protocol: "lan"], displayed: false)
+	sendEvent(name: "checkInterval", value: 60 * 15, data: [protocol: "lan"], displayed: false)
 }
 
 // parse events into attributes
diff --git a/devicetypes/smartthings/hue-bulb.src/hue-bulb.groovy b/devicetypes/smartthings/hue-bulb.src/hue-bulb.groovy
index 1f63b09..6642672 100644
--- a/devicetypes/smartthings/hue-bulb.src/hue-bulb.groovy
+++ b/devicetypes/smartthings/hue-bulb.src/hue-bulb.groovy
@@ -66,7 +66,7 @@ metadata {
 }
 
 void installed() {
-	sendEvent(name: "checkInterval", value: 60 * 30, data: [protocol: "lan"], displayed: false)
+	sendEvent(name: "checkInterval", value: 60 * 15, data: [protocol: "lan"], displayed: false)
 }
 
 // parse events into attributes
diff --git a/devicetypes/smartthings/hue-lux-bulb.src/hue-lux-bulb.groovy b/devicetypes/smartthings/hue-lux-bulb.src/hue-lux-bulb.groovy
index b1f076d..4d8bfbb 100644
--- a/devicetypes/smartthings/hue-lux-bulb.src/hue-lux-bulb.groovy
+++ b/devicetypes/smartthings/hue-lux-bulb.src/hue-lux-bulb.groovy
@@ -50,7 +50,7 @@ metadata {
 }
 
 void installed() {
-	sendEvent(name: "checkInterval", value: 60 * 30, data: [protocol: "lan"], displayed: false)
+	sendEvent(name: "checkInterval", value: 60 * 15, data: [protocol: "lan"], displayed: false)
 }
 
 // parse events into attributes
diff --git a/devicetypes/smartthings/hue-white-ambiance-bulb.src/hue-white-ambiance-bulb.groovy b/devicetypes/smartthings/hue-white-ambiance-bulb.src/hue-white-ambiance-bulb.groovy
index fd8c8bf..b24b1dd 100644
--- a/devicetypes/smartthings/hue-white-ambiance-bulb.src/hue-white-ambiance-bulb.groovy
+++ b/devicetypes/smartthings/hue-white-ambiance-bulb.src/hue-white-ambiance-bulb.groovy
@@ -55,7 +55,7 @@ metadata {
 }
 
 void installed() {
-	sendEvent(name: "checkInterval", value: 60 * 30, data: [protocol: "lan"], displayed: false)
+	sendEvent(name: "checkInterval", value: 60 * 15, data: [protocol: "lan"], displayed: false)
 }
 
 // parse events into attributes
diff --git a/smartapps/smartthings/hue-connect.src/hue-connect.groovy b/smartapps/smartthings/hue-connect.src/hue-connect.groovy
index 577168f..8df8621 100644
--- a/smartapps/smartthings/hue-connect.src/hue-connect.groovy
+++ b/smartapps/smartthings/hue-connect.src/hue-connect.groovy
@@ -724,13 +724,13 @@ private void updateBridgeStatus(childDevice) {
 }
 
 /**
- * Check if all Hue bridges have been heard from in the last 16 minutes, if not an Offline event will be sent
- * for the bridge. Also, set ID number on bridge if not done previously.
+ * Check if all Hue bridges have been heard from in the last 11 minutes, if not an Offline event will be sent
+ * for the bridge and all connected lights. Also, set ID number on bridge if not done previously.
  */
 private void checkBridgeStatus() {
     def bridges = getHueBridges()
-    // Check if each bridge has been heard from within the last 16 minutes (3 poll intervals times 5 minutes plus buffer)
-    def time = now() - (1000 * 60 * 30)
+    // Check if each bridge has been heard from within the last 11 minutes (2 poll intervals times 5 minutes plus buffer)
+    def time = now() - (1000 * 60 * 11)
     bridges.each {
         def d = getChildDevice(it.value.mac)
 	    if(d) {
@@ -748,7 +748,7 @@ private void checkBridgeStatus() {
 					it.value.online = false
 				}
 				getChildDevices().each {
-					it.sendEvent(name: "DeviceWatch-DeviceOffline", value: "offline")
+					it.sendEvent(name: "DeviceWatch-DeviceOffline", value: "offline", isStateChange: true, displayed: false)
 				}
 			} else {
 				d.sendEvent(name: "status", value: "Online")//setOnline(false)
@@ -960,7 +960,7 @@ private handlePoll(body) {
 			} else {
 				state.bulbs[bulb.key]?.online = false
 				log.warn "$device is not reachable by Hue bridge"
-				device.sendEvent(name: "DeviceWatch-DeviceOffline", value: "offline")
+				device.sendEvent(name: "DeviceWatch-DeviceOffline", value: "offline", displayed: false, isStateChange: true)
 			}
 		}
 	}