diff --git a/shell/sleep-sort.sh b/shell/sleep-sort.sh
new file mode 100755
index 0000000000000000000000000000000000000000..81ce589f561ac5942a00fb6d5b7069bea3c33c48
--- /dev/null
+++ b/shell/sleep-sort.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+function f(){
+    sleep "$1"
+    echo "$1"
+}
+
+while [ -n "$1" ]
+do
+    f "$1" &
+    shift
+done
+wait
\ No newline at end of file