diff --git a/index.php b/index.php
index 3220b17..8e53aa3 100644
--- a/index.php
+++ b/index.php
@@ -151,7 +151,7 @@ if($_SESSION[Student_ID] != ""){
               }
               if($flag == 0){
                 $i--;
-                sleep(0.5);
+                sleep(0.4);
               }
             }