diff --git a/src/Core/Worker.php b/src/Core/Worker.php
index 6bf6168b2f..036f065d42 100644
--- a/src/Core/Worker.php
+++ b/src/Core/Worker.php
@@ -481,6 +481,16 @@ class Worker
 	 */
 	public static function coolDown()
 	{
+		$cooldown = DI::config()->get('system', 'worker_cooldown', 0);
+		if ($cooldown > 0) {
+			Logger::debug('Wait for cooldown.', ['cooldown' => $cooldown]);
+			if ($cooldown < 1) {
+				usleep($cooldown * 1000000);
+			} else {
+				sleep($cooldown);
+			}
+		}
+
 		$load_cooldown      = DI::config()->get('system', 'worker_load_cooldown');
 		$processes_cooldown = DI::config()->get('system', 'worker_processes_cooldown');
 
@@ -529,12 +539,6 @@ class Worker
 	{
 		$a = DI::app();
 
-		$cooldown = DI::config()->get('system', 'worker_cooldown', 0);
-		if ($cooldown > 0) {
-			Logger::notice('Pre execution cooldown.', ['cooldown' => $cooldown, 'id' => $queue['id'], 'priority' => $queue['priority'], 'command' => $queue['command']]);
-			sleep($cooldown);
-		}
-
 		self::coolDown();
 
 		Logger::enableWorker($funcname);
@@ -605,11 +609,6 @@ class Worker
 		Logger::info('Process done.', ['priority' => $queue['priority'], 'id' => $queue['id'], 'duration' => round($duration, 3)]);
 
 		DI::profiler()->saveLog(DI::logger(), 'ID ' . $queue['id'] . ': ' . $funcname);
-
-		if ($cooldown > 0) {
-			Logger::info('Post execution cooldown.', ['priority' => $queue['priority'], 'id' => $queue['id'], 'cooldown' => $cooldown]);
-			sleep($cooldown);
-		}
 	}
 
 	/**
diff --git a/static/defaults.config.php b/static/defaults.config.php
index fb6727491b..b02f537745 100644
--- a/static/defaults.config.php
+++ b/static/defaults.config.php
@@ -615,7 +615,7 @@ return [
 		// Minimum for this config value is 1. Maximum is 64 as the resulting profile URL mustn't be longer than 255 chars.
 		'username_max_length' => 48,
 
-		// worker_cooldown (Integer)
+		// worker_cooldown (Float)
 		// Cooldown period in seconds before each worker function call.
 		'worker_cooldown' => 0,