# sleepingAllowed

> Controls if bodies go to sleep when not moving and not interacting. Sleeping can provide a significant performance improvement when many Dynamic or Kinematic bodies are in the world.

## Definition

* **Type:** Property
* **Namespace:** [UnityEngine.LowLevelPhysics2D](/engine/6000.3/script-reference/unityengine/lowlevelphysics2d.md)
* **Assembly:** UnityEngine.Physics2DModule

```csharp
public bool sleepingAllowed { get; set; }
```