diff --git a/hosts/modules/gui/sxmo/default.nix b/hosts/modules/gui/sxmo/default.nix
index 2c20da18e..bd38261f1 100644
--- a/hosts/modules/gui/sxmo/default.nix
+++ b/hosts/modules/gui/sxmo/default.nix
@@ -87,6 +87,11 @@ let
       src = ./hooks;
       pkgs = [ "superd" "xdg-user-dirs" ];
     };
+    suspend = pkgs.static-nix-shell.mkBash {
+      pname = "sxmo_suspend.sh";
+      src = ./hooks;
+      pkgs = [ "coreutils" "util-linux" ];
+    };
   };
 in
 {
@@ -176,6 +181,7 @@ in
         "sxmo_hook_postwake.sh" = "${hookPkgs.postwake}/bin/sxmo_hook_postwake.sh";
         "sxmo_hook_rotate.sh" = "${hookPkgs.rotate}/bin/sxmo_hook_rotate.sh";
         "sxmo_hook_start.sh" = "${hookPkgs.start}/bin/sxmo_hook_start.sh";
+        "sxmo_suspend.sh" = "${hookPkgs.suspend}/bin/sxmo_suspend.sh";
       };
       description = ''
         extra hooks to add with higher priority than the builtins
diff --git a/hosts/modules/gui/sxmo/hooks/sxmo_suspend.sh b/hosts/modules/gui/sxmo/hooks/sxmo_suspend.sh
new file mode 100755
index 000000000..1deede2f3
--- /dev/null
+++ b/hosts/modules/gui/sxmo/hooks/sxmo_suspend.sh
@@ -0,0 +1,39 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p coreutils -p util-linux
+
+# yeah, this isn't technically a hook, but the hook infrastructure isn't actually
+# restricted to stuff that starts with sxmo_hook_ ...
+#
+# this script is only called by sxmo_autosuspend, which is small, so if i wanted to
+# be more proper i could instead re-implement autosuspend + integrations.
+
+. sxmo_common.sh
+
+sxmo_log "going to suspend to crust"
+
+YEARS8_TO_SEC=268435455
+suspend_time=99999999 # far away
+
+mnc="$(sxmo_hook_mnc.sh)"
+if [ -n "$mnc" ] && [ "$mnc" -gt 0 ] && [ "$mnc" -lt "$YEARS8_TO_SEC" ]; then
+	if [ "$mnc" -le 15 ]; then # cronjob imminent
+		sxmo_wakelock.sh lock sxmo_waiting_cronjob infinite
+		exit 1
+	else
+		suspend_time=$((mnc - 10))
+	fi
+fi
+
+sxmo_log "calling suspend with suspend_time <$suspend_time>"
+
+start="$(date "+%s")"
+rtcwake -m mem -s "$suspend_time" || exit 1
+#We woke up again
+time_spent="$(( $(date "+%s") - start ))"
+
+if [ "$((time_spent + 15))" -ge "$suspend_time" ]; then
+	sxmo_wakelock.sh lock sxmo_waiting_cronjob infinite
+fi
+
+sxmo_hook_postwake.sh
+