diff --git a/home/swayidle/home.nix b/home/swayidle/home.nix
new file mode 100644
index 00000000..93158c26
--- /dev/null
+++ b/home/swayidle/home.nix
@@ -0,0 +1,20 @@
+{ pkgs
+, lib
+, config
+, ... }: with lib; mkIf config.passthrough.gui {
+  services.swayidle = {
+    enable = true;
+    systemdTarget = "sway-session.target";
+    timeouts = [
+      { timeout = 600; command = "swaymsg 'output * dpms off'"; resumeCommand = "swaymsg 'output * dpms on'"; }
+    ];
+    events = [
+      { event = "before-sleep"; command = "${pkgs.swaylock-effects}/bin/swaylock -f --grace 0"; }
+    ];
+  };
+
+  # fullscreen as simple idle inhibitor shortcut
+  wayland.windowManager.sway.config.window.commands = [
+    { criteria.shell = ".*"; command = "inhibit_idle fullscreen"; }
+  ];
+}