diff --git a/apps/sleeplog/boot.js b/apps/sleeplog/boot.js
index 67a852132..dc0cd5ae1 100644
--- a/apps/sleeplog/boot.js
+++ b/apps/sleeplog/boot.js
@@ -13,7 +13,7 @@ global.sleeplog = {
     minConsec: 18E5, // [ms] minimal time to count for consecutive sleep
     deepTh: 100, //     threshold for deep sleep
     lightTh: 200, //    threshold for light sleep
-    wearTemp: null, //    temperature threshold to count as worn
+    wearTemp: 19.5, //    temperature threshold to count as worn
   }, require("Storage").readJSON("sleeplog.json", true) || {})
 };
 
@@ -180,7 +180,7 @@ if (sleeplog.conf.enabled) {
 
     // check wearing status either based on HRM or temperature as set in settings
     checkIsWearing: function(returnFn, data) {
-      if (this.conf.wearTemp !== null) {
+      if (this.conf.wearTemp !== 19.5) {
         return returnFn(!Bangle.isCharging() && E.getTemperature() >= this.conf.wearTemp, data);
       }
 
diff --git a/apps/sleeplog/settings.js b/apps/sleeplog/settings.js
index e3811624a..736fead05 100644
--- a/apps/sleeplog/settings.js
+++ b/apps/sleeplog/settings.js
@@ -13,7 +13,7 @@
     minConsec: 18E5, // [ms] minimal time to count for consecutive sleep
     deepTh: 100, //     threshold for deep sleep
     lightTh: 200, //    threshold for light sleep
-    wearTemp: null, //    temperature threshold to count as worn
+    wearTemp: 19.5, //    temperature threshold to count as worn
     // app settings
     breakToD: 12, //    [h] time of day when to start/end graphs
     appTimeout: 0 //   lock and backlight timeouts for the app