diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index a49007b79..c48793234 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -1183,7 +1183,7 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
 
 		$this->setSpawn($pos);
 
-		$this->level->sleepTicks = 60;
+		$this->level->setSleepTicks(60);
 
 		return true;
 	}
@@ -1200,7 +1200,7 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
 			$this->setDataProperty(self::DATA_PLAYER_BED_POSITION, self::DATA_TYPE_POS, [0, 0, 0]);
 			$this->setPlayerFlag(self::DATA_PLAYER_FLAG_SLEEP, false);
 
-			$this->level->sleepTicks = 0;
+			$this->level->setSleepTicks(0);
 
 			$pk = new AnimatePacket();
 			$pk->entityRuntimeId = $this->id;
diff --git a/src/pocketmine/level/Level.php b/src/pocketmine/level/Level.php
index 46c3efb5d..d6d23e2ab 100644
--- a/src/pocketmine/level/Level.php
+++ b/src/pocketmine/level/Level.php
@@ -223,7 +223,7 @@ class Level implements ChunkManager, Metadatable{
 	private $blockStates;
 
 	/** @var int */
-	public $sleepTicks = 0;
+	private $sleepTicks = 0;
 
 	/** @var int */
 	private $chunkTickRadius;
@@ -838,6 +838,10 @@ class Level implements ChunkManager, Metadatable{
 		}
 	}
 
+	public function setSleepTicks(int $ticks) : void{
+		$this->sleepTicks = $ticks;
+	}
+
 	public function sendBlockExtraData(int $x, int $y, int $z, int $id, int $data, array $targets = null){
 		$pk = new LevelEventPacket;
 		$pk->evid = LevelEventPacket::EVENT_SET_DATA;