diff --git a/modules/nixos/system/default.nix b/modules/nixos/system/default.nix
index 982274f..96ac22b 100644
--- a/modules/nixos/system/default.nix
+++ b/modules/nixos/system/default.nix
@@ -11,6 +11,10 @@
     # This setting only applies to NixOS, different on Darwin
     nix.gc.dates = "weekly";
 
+    systemd.timers.nix-gc.timerConfig = { WakeSystem = true; };
+    systemd.services.nix-gc.postStop =
+      lib.mkIf (!config.server) "systemctl suspend";
+
   };
 
 }