diff --git a/share/functions/suspend.fish b/share/functions/suspend.fish
new file mode 100644
index 000000000..72ba10ca9
--- /dev/null
+++ b/share/functions/suspend.fish
@@ -0,0 +1,18 @@
+# If the user hasn't set it, make sure our test level has a value
+if not set -q suspend_minimum_SHLVL
+    set -g suspend_minimum_SHLVL 3
+end
+
+
+function suspend -d "Suspend the current shell."
+    if begin contains -- $argv --force
+             or not status --is-interactive
+             or begin test $SHLVL -ge $suspend_minimum_SHLVL
+                      and not status --is-login
+                end
+       end
+       kill -STOP %self
+    else
+       echo 2>&1 Cannot suspend login shell or SHLVL to low, use --force to force.
+    end
+end