diff --git a/deprecated/functionsList.php b/deprecated/functionsList.php
index e2088910..67cd77f8 100644
--- a/deprecated/functionsList.php
+++ b/deprecated/functionsList.php
@@ -66,6 +66,7 @@
     'stats_stat_correlation',
     'stats_stat_innerproduct',
     'stats_variance',
+    'sleep',
     'substr',
     'usort',
     'vsprintf',
diff --git a/deprecated/misc.php b/deprecated/misc.php
new file mode 100644
index 00000000..e99baa0e
--- /dev/null
+++ b/deprecated/misc.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Safe;
+
+use Safe\Exceptions\MiscException;
+
+/**
+ *
+ * @param int $seconds Halt time in seconds.
+ * @return int Returns zero on success.
+ *
+ * If the call was interrupted by a signal, sleep returns
+ * a non-zero value. On Windows, this value will always be
+ * 192 (the value of the
+ * WAIT_IO_COMPLETION constant within the Windows API).
+ * On other platforms, the return value will be the number of seconds left to
+ * sleep.
+ * @throws MiscException
+ * @deprecated The Safe version of this function is no longer needed in PHP 8.0+
+ */
+function sleep(int $seconds): int
+{
+    error_clear_last();
+    $safeResult = \sleep($seconds);
+    if ($safeResult === false) {
+        throw MiscException::createFromPhpError();
+    }
+    return $safeResult;
+}
\ No newline at end of file
diff --git a/generated/functionsList.php b/generated/functionsList.php
index 60fbea9a..8d853952 100644
--- a/generated/functionsList.php
+++ b/generated/functionsList.php
@@ -913,7 +913,6 @@
     'simplexml_import_dom',
     'simplexml_load_file',
     'simplexml_load_string',
-    'sleep',
     'socket_accept',
     'socket_addrinfo_bind',
     'socket_addrinfo_connect',
diff --git a/generated/misc.php b/generated/misc.php
index b608509d..ab4ac59b 100644
--- a/generated/misc.php
+++ b/generated/misc.php
@@ -418,32 +418,6 @@ function sapi_windows_vt100_support($stream, bool $enable = null): void
 }
 
 
-/**
- *
- *
- * @param int $seconds Halt time in seconds.
- * @return int Returns zero on success.
- *
- * If the call was interrupted by a signal, sleep returns
- * a non-zero value. On Windows, this value will always be
- * 192 (the value of the
- * WAIT_IO_COMPLETION constant within the Windows API).
- * On other platforms, the return value will be the number of seconds left to
- * sleep.
- * @throws MiscException
- *
- */
-function sleep(int $seconds): int
-{
-    error_clear_last();
-    $safeResult = \sleep($seconds);
-    if ($safeResult === false) {
-        throw MiscException::createFromPhpError();
-    }
-    return $safeResult;
-}
-
-
 /**
  * Delays program execution for the given number of
  * seconds and nanoseconds.
diff --git a/rector-migrate.php b/rector-migrate.php
index a7c7b475..2204db68 100644
--- a/rector-migrate.php
+++ b/rector-migrate.php
@@ -920,7 +920,6 @@
             'simplexml_import_dom' => 'Safe\simplexml_import_dom',
             'simplexml_load_file' => 'Safe\simplexml_load_file',
             'simplexml_load_string' => 'Safe\simplexml_load_string',
-            'sleep' => 'Safe\sleep',
             'socket_accept' => 'Safe\socket_accept',
             'socket_addrinfo_bind' => 'Safe\socket_addrinfo_bind',
             'socket_addrinfo_connect' => 'Safe\socket_addrinfo_connect',