diff --git a/install/config/all.sh b/install/config/all.sh
index 0c3b839822..e17de875f2 100644
--- a/install/config/all.sh
+++ b/install/config/all.sh
@@ -63,6 +63,7 @@ run_logged $OMARCHY_INSTALL/config/hardware/framework/qmk-hid.sh
 
 run_logged $OMARCHY_INSTALL/config/hardware/apple/fix-spi-keyboard.sh
 run_logged $OMARCHY_INSTALL/config/hardware/apple/fix-suspend-nvme.sh
+run_logged $OMARCHY_INSTALL/config/hardware/apple/fix-suspend-async.sh
 run_logged $OMARCHY_INSTALL/config/hardware/apple/fix-t2.sh
 
 run_logged $OMARCHY_INSTALL/config/hardware/lenovo/fix-yoga-pro7-bass-speakers.sh
diff --git a/install/config/hardware/apple/fix-suspend-async.sh b/install/config/hardware/apple/fix-suspend-async.sh
new file mode 100644
index 0000000000..281da091da
--- /dev/null
+++ b/install/config/hardware/apple/fix-suspend-async.sh
@@ -0,0 +1,31 @@
+# Fix intermittent suspend hang on T2 MacBooks caused by async device suspend.
+#
+# On T2 Macs the kernel default of asynchronous (parallel) device suspend
+# (/sys/power/pm_async=1) intermittently HARD-HANGS the machine the instant it
+# enters suspend: black screen, dead keyboard/trackpad/Touch Bar, no wake, only
+# a forced power-off recovers. pm_trace fingerprints the hang in the async
+# device-suspend core (drivers/base/power/main.c), not in any single driver.
+# Forcing synchronous device suspend serialises it and resolves the hang.
+#
+# Confirmed on MacBookPro16,2 (5/5 clean suspend cycles with the fix vs 5/5
+# hangs without). Independent of suspend mode (deep or s2idle). See
+# basecamp/omarchy#1840 for the broader set of affected T2 models.
+if lspci -nn | grep -q "106b:180[12]"; then
+  echo "Detected MacBook with T2 chip. Applying synchronous device-suspend fix..."
+
+  cat <<EOF | sudo tee /etc/systemd/system/omarchy-pm-async-suspend-fix.service >/dev/null
+[Unit]
+Description=Omarchy synchronous device-suspend fix for T2 MacBook
+ConditionPathExists=/sys/power/pm_async
+
+[Service]
+Type=oneshot
+ExecStart=/bin/bash -c 'echo 0 > /sys/power/pm_async'
+
+[Install]
+WantedBy=multi-user.target
+EOF
+
+  chrootable_systemctl_enable omarchy-pm-async-suspend-fix.service
+  sudo systemctl daemon-reload
+fi
diff --git a/migrations/1782742549.sh b/migrations/1782742549.sh
new file mode 100644
index 0000000000..b7471bbb17
--- /dev/null
+++ b/migrations/1782742549.sh
@@ -0,0 +1,3 @@
+echo "Fix intermittent suspend hang on T2 MacBooks (force synchronous device suspend)"
+
+source $OMARCHY_PATH/install/config/hardware/apple/fix-suspend-async.sh