diff --git a/home-manager/sway/default.nix b/home-manager/sway/default.nix
index af0bcf2..a5526f9 100644
--- a/home-manager/sway/default.nix
+++ b/home-manager/sway/default.nix
@@ -2,6 +2,8 @@
 let
   font.name = "DejaVu Sans Mono";
   font.size = 12.0;
+  lock_command = "${pkgs.swaylock-fancy}/bin/swaylock-fancy --daemonize --show-failed-attempts --ignore-empty-password";
+  swaymsg = "${pkgs.sway}/bin/swaymsg";
 in
 {
   imports = [
@@ -39,6 +41,17 @@ in
     };
   };
 
+  services.swayidle = {
+    enable = true;
+    events = [
+      { event = "before-sleep"; command = lock_command; }
+    ];
+    timeouts = [
+      { timeout = 300; command = "${swaymsg} output '*' power off"; resumeCommand = "${swaymsg} output '*' power on"; }
+      { timeout = 900; command = lock_command; }
+    ];
+  };
+
   wayland.windowManager.sway = {
     enable = true;
 
@@ -90,7 +103,7 @@ in
         in
         lib.mkOptionDefault {
           "${modifier}+Shift+o" = "exec xdg-open \"zoommtg://zoom.us/join?action=join&confno=4861587170&pwd=ZVk3aHphcWppY21ONjZOMVh6STN6dz09\"";
-          "${modifier}+l" = "exec swaylock-fancy";
+          "${modifier}+l" = "exec ${lock_command}";
         };
 
       assigns = {