diff --git a/readchar/readchar.py b/readchar/readchar.py
index 1566759..23e8b50 100644
--- a/readchar/readchar.py
+++ b/readchar/readchar.py
@@ -82,6 +82,7 @@ def readkey(getchar_fn=None):
                     return x
                 else:
                     return ch.decode()
+            sleep(0.001)
 else:
     def readkey(getchar_fn=None):
         getchar = getchar_fn or readchar