Let's Kill Jeff The Killer Chapter 2

Let's Kill Jeff The Killer - Lost in the Nightmare is a story about your son and Jeff.
Strange sound woke you up. It's dark and scary.
You need to check your sons room to make sure that he is safe.
Once you are in his room you notice that he's gone and some strange writing on the wall.
Writing that says "Go To Sleep".
What will you do ?

https://play.google.com/store/apps/details?id=com.PoisonGames.LetsKillJeffTheKillerCH2