diff --git a/docs/rector_rules_overview.md b/docs/rector_rules_overview.md
index ab27b068..45ca1f11 100644
--- a/docs/rector_rules_overview.md
+++ b/docs/rector_rules_overview.md
@@ -1,4 +1,4 @@
-# 34 Rules Overview
+# 36 Rules Overview
## AddArgumentDefaultValueRector
@@ -849,15 +849,30 @@ return static function (RectorConfig $rectorConfig): void {
+## SleepFuncToSleepStaticCallRector
+
+Use `Sleep::sleep()` and `Sleep::usleep()` instead of the `sleep()` and `usleep()` function.
+
+- class: [`RectorLaravel\Rector\FuncCall\SleepFuncToSleepStaticCallRector`](../src/Rector/FuncCall/SleepFuncToSleepStaticCallRector.php)
+
+```diff
+-sleep(5);
++\Illuminate\Support\Sleep::sleep(5);
+```
+
+
+
## SubStrToStartsWithOrEndsWithStaticMethodCallRector
-Change `substr()` to `startsWith()` or `endsWith()` static method call where applicable.
+Use `Str::startsWith()` or `Str::endsWith()` instead of `substr()` === `$str`
-- class: [`RectorLaravel\Rector\FuncCall\SubStrToStartsWithOrEndsWithStaticMethodCallRector`](../src/Rector/Expr/SubStrToStartsWithOrEndsWithStaticMethodCallRector/SubStrToStartsWithOrEndsWithStaticMethodCallRector.php)
+- class: [`RectorLaravel\Rector\Expr\SubStrToStartsWithOrEndsWithStaticMethodCallRector\SubStrToStartsWithOrEndsWithStaticMethodCallRector`](../src/Rector/Expr/SubStrToStartsWithOrEndsWithStaticMethodCallRector/SubStrToStartsWithOrEndsWithStaticMethodCallRector.php)
```diff
--$string = substr($string, 0, 5) === 'foo';
-+$string = Str::startsWith($string, 'foo');
+-if (substr($str, 0, 3) === 'foo') {
++if (Str::startsWith($str, 'foo')) {
+ // do something
+ }
```
diff --git a/src/Rector/FuncCall/SleepFuncToSleepStaticCallRector.php b/src/Rector/FuncCall/SleepFuncToSleepStaticCallRector.php
new file mode 100644
index 00000000..a718acff
--- /dev/null
+++ b/src/Rector/FuncCall/SleepFuncToSleepStaticCallRector.php
@@ -0,0 +1,60 @@
+expr instanceof Node\Expr\FuncCall) {
+ return null;
+ }
+
+ if (! $this->isName($node->expr->name, 'sleep') && ! $this->isName($node->expr->name, 'usleep')) {
+ return null;
+ }
+
+ $method = $this->isName($node->expr->name, 'sleep') ? 'sleep' : 'usleep';
+
+ $node->expr = $this->nodeFactory->createStaticCall('Illuminate\Support\Sleep', $method, $node->expr->args);
+
+ return $node;
+ }
+}
diff --git a/tests/Rector/FuncCall/SleepFuncToSleepStaticCallRector/Fixture/fixture.php.inc b/tests/Rector/FuncCall/SleepFuncToSleepStaticCallRector/Fixture/fixture.php.inc
new file mode 100644
index 00000000..3e6680df
--- /dev/null
+++ b/tests/Rector/FuncCall/SleepFuncToSleepStaticCallRector/Fixture/fixture.php.inc
@@ -0,0 +1,31 @@
+
+-----
+
diff --git a/tests/Rector/FuncCall/SleepFuncToSleepStaticCallRector/Fixture/skip_as_using_return.php.inc b/tests/Rector/FuncCall/SleepFuncToSleepStaticCallRector/Fixture/skip_as_using_return.php.inc
new file mode 100644
index 00000000..300c5cd3
--- /dev/null
+++ b/tests/Rector/FuncCall/SleepFuncToSleepStaticCallRector/Fixture/skip_as_using_return.php.inc
@@ -0,0 +1,21 @@
+
diff --git a/tests/Rector/FuncCall/SleepFuncToSleepStaticCallRector/SleepFuncToSleepStaticCallRectorTest.php b/tests/Rector/FuncCall/SleepFuncToSleepStaticCallRector/SleepFuncToSleepStaticCallRectorTest.php
new file mode 100644
index 00000000..c0850ac5
--- /dev/null
+++ b/tests/Rector/FuncCall/SleepFuncToSleepStaticCallRector/SleepFuncToSleepStaticCallRectorTest.php
@@ -0,0 +1,28 @@
+doTestFile($filePath);
+ }
+
+ public static function provideData(): Iterator
+ {
+ return self::yieldFilesFromDirectory(__DIR__ . '/Fixture');
+ }
+
+ public function provideConfigFilePath(): string
+ {
+ return __DIR__ . '/config/configured_rule.php';
+ }
+}
diff --git a/tests/Rector/FuncCall/SleepFuncToSleepStaticCallRector/config/configured_rule.php b/tests/Rector/FuncCall/SleepFuncToSleepStaticCallRector/config/configured_rule.php
new file mode 100644
index 00000000..3d4ca175
--- /dev/null
+++ b/tests/Rector/FuncCall/SleepFuncToSleepStaticCallRector/config/configured_rule.php
@@ -0,0 +1,13 @@
+import(__DIR__ . '/../../../../../config/config.php');
+
+ $rectorConfig->rule(SleepFuncToSleepStaticCallRector::class);
+};