diff --git a/apps/widtwenties/ChangeLog b/apps/widtwenties/ChangeLog
index 87935d810..c2fbd70a2 100644
--- a/apps/widtwenties/ChangeLog
+++ b/apps/widtwenties/ChangeLog
@@ -1,2 +1,3 @@
 0.01: New Widget!
-0.02: Fix calling null on draw
\ No newline at end of file
+0.02: Fix calling null on draw
+0.03: Only vibrate during work
\ No newline at end of file
diff --git a/apps/widtwenties/metadata.json b/apps/widtwenties/metadata.json
index 2e51457ac..5695a0ed9 100644
--- a/apps/widtwenties/metadata.json
+++ b/apps/widtwenties/metadata.json
@@ -2,7 +2,7 @@
   "id": "widtwenties",
   "name": "Twenties",
   "shortName": "twenties",
-  "version": "0.02",
+  "version": "0.03",
   "description": "Buzzes every 20m to stand / sit and look 20ft away for 20s.",
   "icon": "widget.png",
   "type": "widget",
diff --git a/apps/widtwenties/widget.js b/apps/widtwenties/widget.js
index 58bc622eb..f722f8d03 100644
--- a/apps/widtwenties/widget.js
+++ b/apps/widtwenties/widget.js
@@ -7,9 +7,15 @@ they don't interfere with currently-running apps */
   const look = 20 * 1000;      // 20 seconds
 
   buzz = _ => {
-    Bangle.buzz().then(_ => {
-      setTimeout(Bangle.buzz, look);
-    });
+    const date = new Date();
+    const day = date.getDay();
+    const hour = date.getHours();
+    // buzz at work
+    if (day <= 5 && hour >= 8 && hour <= 17) {
+      Bangle.buzz().then(_ => {
+        setTimeout(Bangle.buzz, look);
+      });
+    }
   };
 
   // add widget
@@ -21,4 +27,4 @@ they don't interfere with currently-running apps */
   setInterval(WIDGETS.twenties.buzz, move); // buzz to stand / sit
 })();
 
-// Bangle.drawWidgets(); // <-- for development only
\ No newline at end of file
+// Bangle.drawWidgets(); // <-- for development only