diff --git a/main.js b/main.js
index 68fca63..c2554e6 100644
--- a/main.js
+++ b/main.js
@@ -26,6 +26,7 @@ var codelanguages = ["xml", "js", "sql"];
 var currentnote = null;
 var fileindex = 0;
 var workerid = null;
+var inactivityid = null;
 var backup = "";
 var localdata = null;
 var saved = true;
@@ -1877,6 +1878,11 @@ function postpone()
 	});
 }
 
+function inactivityalert()
+{
+	alert("Last save was one hour ago. Should you refresh?");
+}
+
 async function save()
 {
 	clearTimeout(workerid);
@@ -1949,6 +1955,8 @@ async function save()
 		{
 			console.log("...data saved on server");
 			saved = true;
+			clearTimeout(inactivityid);
+			inactivityid = setTimeout(inactivityalert, 60 * 60 * 1000);
 		})
 		.catch(remotecallfailed)
 		.finally(() =>