I'm not sure what situation is.
Are you scared to go sleeping alone tonight?
I don't want to think about sleeping tonight
It is okay to be scared but it would help if you find out more about the situation. It can help to know what is happening so that you will understand and not be scared.
If a sharp object was not enough, I doubt a gun will.
You don't really need those in order to protect yourself. Just be sure that the room you are sleeping in is secured.