diff --git a/devicetypes/alyc100/eight-sleep-mattress.src/eight-sleep-mattress.groovy b/devicetypes/alyc100/eight-sleep-mattress.src/eight-sleep-mattress.groovy
index 5f8642ee880..29396e2981b 100644
--- a/devicetypes/alyc100/eight-sleep-mattress.src/eight-sleep-mattress.groovy
+++ b/devicetypes/alyc100/eight-sleep-mattress.src/eight-sleep-mattress.groovy
@@ -34,6 +34,7 @@ metadata {
 		capability "Sensor"
 		capability "Switch"
 		capability "Switch Level"
+		capability "Presence Sensor"
         
         command "setHeatDuration"
         command "heatingDurationDown"
@@ -255,10 +256,12 @@ def refresh() {
 
 def setInBed() {
 	sendEvent(name: "contact", value: "closed")
+	sendEvent(name: "presence", value: "present")
 }
 
 def setOutOfBed() {
 	sendEvent(name: "contact", value: "open")
+	sendEvent(name: "presence", value: "not present")
     state.sleepPeriod = false
     state.desiredLevelChange = false
 }
@@ -559,4 +562,4 @@ def getFileBase64(url, preType, fileType) {
 	}
 }
 
-def cssUrl()	 { return "https://raw.githubusercontent.com/desertblade/ST-HTMLTile-Framework/master/css/smartthings.css" }
\ No newline at end of file
+def cssUrl()	 { return "https://raw.githubusercontent.com/desertblade/ST-HTMLTile-Framework/master/css/smartthings.css" }