diff --git a/src/sleep.c b/src/sleep.c
new file mode 100644
index 0000000..35faa02
--- /dev/null
+++ b/src/sleep.c
@@ -0,0 +1,15 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+int
+main(int argc, char *argv[])
+{
+  if(argc == 1)
+    {
+      printf("missing opperand\n");
+    }
+
+  sleep(atoi(argv[1]));
+  
+  return 0;
+}