diff --git a/apps/de/sway/config b/apps/de/sway/config
index 4cd73a3..fa37494 100644
--- a/apps/de/sway/config
+++ b/apps/de/sway/config
@@ -13,7 +13,7 @@ set $menu dmenu_path | dmenu | xargs swaymsg exec --
 output * bg $HOME/.wallpaper fill
 
 # TODO: configured displays?
-# output eDP-1 res 3200x1800 pos 0 0 scale 2
+output eDP-1 res 3200x1800 pos 0 0 scale 2
 # output DP-3 res 3440x1440 pos 1600 0
 
 ### Input configuration
diff --git a/apps/de/sway/init b/apps/de/sway/init
index 714a829..1c58eaa 100755
--- a/apps/de/sway/init
+++ b/apps/de/sway/init
@@ -19,6 +19,7 @@ export MOZ_ENABLE_WAYLAND=1
 # configuration flag for some of my dotfiles scripts
 export IS_WAYLAND=1
 
-exec mako
+killall -9 dunst &> /dev/null
+mako &
 
 sway
diff --git a/apps/tmpfiles/disable-lid-wakeup b/apps/tmpfiles/disable-lid-wakeup
new file mode 100644
index 0000000..9ded313
--- /dev/null
+++ b/apps/tmpfiles/disable-lid-wakeup
@@ -0,0 +1 @@
+w /proc/acpi/wakeup - - - - LID
diff --git a/apps/udev-rules/lowbat b/apps/udev-rules/lowbat
new file mode 100644
index 0000000..2077231
--- /dev/null
+++ b/apps/udev-rules/lowbat
@@ -0,0 +1,2 @@
+# Suspend the system when battery level drops to 3% or lower
+SUBSYSTEM=="power_supply", ATTR{status}=="Discharging", ATTR{capacity}=="[0-5]", RUN+="/usr/bin/systemctl hibernate"
diff --git a/apps/de/udev-rules/90-usb-device-plugin.rules b/apps/udev-rules/usb-device-plugin
similarity index 100%
rename from apps/de/udev-rules/90-usb-device-plugin.rules
rename to apps/udev-rules/usb-device-plugin
diff --git a/apps/udev-rules/wifi-powersave b/apps/udev-rules/wifi-powersave
new file mode 100644
index 0000000..334068d
--- /dev/null
+++ b/apps/udev-rules/wifi-powersave
@@ -0,0 +1 @@
+ACTION=="add", SUBSYSTEM=="net", KERNEL=="wl*", RUN+="/usr/bin/iw dev $name set power_save on"
diff --git a/bin/lib/arch-linux/provisioning/3-extras.bash b/bin/lib/arch-linux/provisioning/3-extras.bash
index 258e354..3f1bb24 100755
--- a/bin/lib/arch-linux/provisioning/3-extras.bash
+++ b/bin/lib/arch-linux/provisioning/3-extras.bash
@@ -11,6 +11,7 @@ fi
 pacaur --needed -S \
 	bluez bluz-libs bluez-utils bluez-tools \
 	pigz `# Multi-core gzipping` \
+	iw `# WiFi Power Saving` \
 	arc-gtk-theme `# GTK Theme` \
 	elementary-icon-theme `# GUI File Explorer Icons` \
 	thunar thunar-volman gvfs `# GUI File Explorer + Volume Management/Auto-Mount Disks)` \
diff --git a/bin/lib/sudo_setup b/bin/lib/sudo_setup
index aed4efc..795eac9 100755
--- a/bin/lib/sudo_setup
+++ b/bin/lib/sudo_setup
@@ -13,11 +13,19 @@ source "${dfp}/bin/lib/setup_helpers.bash"
 
 links=(
 	# display manager files
-	"$dfp/apps/de/sway/init"         "/usr/bin/sway-lytedev"
-	"$dfp/apps/de/sway/dm-entry"          "/usr/share/wayland-sessions/sway-lytedev.desktop"
+	"$dfp/apps/de/sway/init"                "/usr/bin/sway-lytedev"
+	"$dfp/apps/de/sway/dm-entry"            "/usr/share/wayland-sessions/sway-lytedev.desktop"
 
 	# touchpad
-	"$dfp/apps/de/libinput/touchpad.conf" "/etc/X11/xorg.conf.d/41-libinput-lytedev-touchpad-options.conf"
+	"$dfp/apps/de/libinput/touchpad.conf"   "/etc/X11/xorg.conf.d/41-libinput-lytedev-touchpad-options.conf"
+
+	# udev rules
+	"$dfp/apps/udev-rules/lowbat"           "/etc/udev/rules.d/99-lowbat.rules"
+	# TODO: laptop-specific setup?
+	"$dfp/apps/udev-rules/wifi-powersave"   "/etc/udev/rules.d/81-wifi-powersave.rules"
+
+	# tmpfiles
+	"$dfp/apps/tmpfiles/disable-lid-wakeup" "/etc/tmpfiles.d/disable-lid-wakeup.conf"
 )
 
 _dotfiles_setup_run_setup "$dfp/.agreed-to-erasing-root-files.lock" "${links[@]}"