prevent keyboard from waking up machine

modules/hardware/default.nix

@@ -7,6 +7,7 @@
     ./monitors.nix
     ./mouse.nix
     ./networking.nix
+    ./sleep.nix
     ./wifi.nix
   ];
 

modules/hardware/sleep.nix

@@ -0,0 +1,8 @@
+{ ... }: {
+
+  # Prevent wake from keyboard
+  powerManagement.powerDownCommands = ''
+    echo disabled > /sys/bus/usb/devices/1-6/power/wakeup
+  '';
+
+}