diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index e98f5067f..4a2fb14cd 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -794,10 +794,12 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 	 * @return boolean
 	 */
 	public function sleepOn(Vector3 $pos){
-		foreach($this->level->getPlayers() as $p){
-			if($p->sleeping instanceof Vector3){
-				if($pos->distance($p->sleeping) <= 0.1){
-					return false;
+		foreach($this->level->getNearbyEntities($this->boundingBox->grow(2, 1, 2), $this) as $p){
+			if($p instanceof Player){
+				if($p->sleeping instanceof Vector3){
+					if($pos->distance($p->sleeping) <= 0.1){
+						return false;
+					}
 				}
 			}
 		}
@@ -2273,10 +2275,13 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 				}
 			}
 
+			foreach($this->windowIndex as $window){
+				$this->removeWindow($window);
+			}
+
 			$this->interface->close($this, $reason);
 			$this->level->freeAllChunks($this);
 
-
 			parent::close();
 
 			$this->loggedIn = false;
@@ -2284,6 +2289,7 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 			if(isset($ev) and $this->username != "" and $this->spawned !== false and $ev->getQuitMessage() != ""){
 				$this->server->broadcastMessage($ev->getQuitMessage());
 			}
+
 			$this->server->getPluginManager()->unsubscribeFromPermission(Server::BROADCAST_CHANNEL_USERS, $this);
 			$this->spawned = false;
 			$this->server->getLogger()->info(TextFormat::AQUA . $this->username . TextFormat::WHITE . "[/" . $this->ip . ":" . $this->port . "] logged out due to " . str_replace(["\n", "\r"], [" ", ""], $reason));
@@ -2514,6 +2520,14 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 
 	public function teleport(Vector3 $pos, $yaw = null, $pitch = null){
 		if(parent::teleport($pos, $yaw, $pitch)){
+
+			foreach($this->windowIndex as $window){
+				if($window === $this->inventory){
+					continue;
+				}
+				$this->removeWindow($window);
+			}
+
 			$this->airTicks = 300;
 			$this->fallDistance = 0;
 			$this->orderChunks();
diff --git a/src/pocketmine/entity/Entity.php b/src/pocketmine/entity/Entity.php
index 164bac8f6..476ec0c64 100644
--- a/src/pocketmine/entity/Entity.php
+++ b/src/pocketmine/entity/Entity.php
@@ -1185,8 +1185,8 @@ abstract class Entity extends Location implements Metadatable{
 			if($this->chunk instanceof FullChunk){
 				$this->chunk->removeEntity($this);
 			}
-			if(($level = $this->level) instanceof Level){
-				$level->removeEntity($this);
+			if($this->level instanceof Level){
+				$this->level->removeEntity($this);
 			}
 			$this->despawnFromAll();
 			$this->level = null;
diff --git a/src/pocketmine/entity/Human.php b/src/pocketmine/entity/Human.php
index a23e8e46e..1e0c3b16e 100644
--- a/src/pocketmine/entity/Human.php
+++ b/src/pocketmine/entity/Human.php
@@ -226,4 +226,15 @@ class Human extends Creature implements ProjectileSource, InventoryHolder{
 		return $d;
 	}
 
+	public function close(){
+		if(!$this->closed){
+			var_dump("CLOSED");
+			foreach($this->getInventory()->getViewers() as $player){
+				$this->getInventory()->close($player);
+			}
+			$this->inventory = null;
+			parent::close();
+		}
+	}
+
 }
diff --git a/src/pocketmine/inventory/ChestInventory.php b/src/pocketmine/inventory/ChestInventory.php
index acd04533b..5ed416101 100644
--- a/src/pocketmine/inventory/ChestInventory.php
+++ b/src/pocketmine/inventory/ChestInventory.php
@@ -21,6 +21,7 @@
 
 namespace pocketmine\inventory;
 
+use pocketmine\level\Level;
 use pocketmine\network\protocol\TileEventPacket;
 use pocketmine\Player;
 use pocketmine\Server;
@@ -48,7 +49,9 @@ class ChestInventory extends ContainerInventory{
 			$pk->z = $this->getHolder()->getZ();
 			$pk->case1 = 1;
 			$pk->case2 = 2;
-			Server::broadcastPacket($this->getHolder()->getLevel()->getPlayers(), $pk);
+			if(($level = $this->getHolder()->getLevel()) instanceof Level){
+				Server::broadcastPacket($level->getUsingChunk($this->getHolder()->getX() >> 4, $this->getHolder()->getZ() >> 4), $pk);
+			}
 		}
 	}
 
@@ -60,7 +63,9 @@ class ChestInventory extends ContainerInventory{
 			$pk->z = $this->getHolder()->getZ();
 			$pk->case1 = 1;
 			$pk->case2 = 0;
-			Server::broadcastPacket($this->getHolder()->getLevel()->getPlayers(), $pk);
+			if(($level = $this->getHolder()->getLevel()) instanceof Level){
+				Server::broadcastPacket($level->getUsingChunk($this->getHolder()->getX() >> 4, $this->getHolder()->getZ() >> 4), $pk);
+			}
 		}
 		parent::onClose($who);
 	}