diff --git a/modules/_home/niri.nix b/modules/_home/niri.nix
index 51d8bab..7dd6123 100644
--- a/modules/_home/niri.nix
+++ b/modules/_home/niri.nix
@@ -1,4 +1,27 @@
-{ config, pkgs, ... }: {
+{ config, pkgs, ... }:
+let
+  wallpaper = "${config.home.homeDirectory}/repos/nixos/wallpapers/astronaut.png";
+in {
+  services.swayidle = {
+    enable = true;
+    timeouts = [
+      {
+        timeout = 300;
+        command = "${pkgs.swaylock}/bin/swaylock -f -i ${wallpaper}";
+      }
+      {
+        timeout = 600;
+        command = "${pkgs.niri}/bin/niri msg action power-off-monitors";
+      }
+    ];
+    events = [
+      {
+        event = "before-sleep";
+        command = "${pkgs.swaylock}/bin/swaylock -f -i ${wallpaper}";
+      }
+    ];
+  };
+
   home.sessionVariables = {
     XDG_CURRENT_DESKTOP                 = "niri";
     XDG_SESSION_DESKTOP                 = "niri";
@@ -41,6 +64,16 @@
     '';
   };
 
+  home.file.".local/bin/swww-init" = {
+    executable = true;
+    text = ''
+      #!/usr/bin/env bash
+      swww-daemon &
+      sleep 0.5
+      swww img "${wallpaper}" --transition-type none
+    '';
+  };
+
   xdg.configFile."quickshell".source =
     config.lib.file.mkOutOfStoreSymlink "${config.home.homeDirectory}/repos/nixos/quickshell";
 
@@ -75,6 +108,7 @@
     prefer-no-csd
 
     spawn-at-startup "quickshell"
+    spawn-at-startup "bash" "-c" "$HOME/.local/bin/swww-init"
 
     screenshot-path "${config.xdg.userDirs.pictures}/screenshots/%Y-%m-%d %H-%M-%S.png"
 
@@ -110,7 +144,7 @@
 
       // System
       Mod+Shift+E { quit; }
-      Mod+L       { spawn "swaylock"; }
+      Mod+L       { spawn "swaylock" "-i" "${wallpaper}"; }
 
       // Volume
       XF86AudioRaiseVolume { spawn "wpctl" "set-volume" "@DEFAULT_AUDIO_SINK@" "5%+"; }
diff --git a/wallpapers/astronaut.png b/wallpapers/astronaut.png
new file mode 100644
index 0000000..eae1d25
Binary files /dev/null and b/wallpapers/astronaut.png differ