A hauntin in Mindy manor

I'm kinda weirded out tonight. My son has been acting strange in that he peed in his room last night and then today he tells me weird things have been happening in his room at night. Some of these things include a odd clicking like a camera taking a picture, the door stopper moving on its own, a toy turning on and off, and even a toy floating. I'm wondering what is kids imagination and what is true. This didn't come up when confronted with the pee episode so it wasn't an excuse this came up hours later when asked if anything was worrying him or bothering him.

Here is a little background on my son. He has always since the day he was born been a very sensitive child, he picks up on emotions and reacts to them very easily. He worries a little to much for an 8 year old things like being bit by a bug or even a snakes scares him to death even though he has never had an encounter with either. He is scared of being hurt and even worries about the radiation in Japan. He doesn't sleep well at night and sometimes can't concentrate on a thing. He is very hard to motivate to do anything new including tasting new foods or even reading something he's not familiar with. He will freak out if he looses a game or if you correct him on anything. His teachers liked to label him and try to say he had a disorder but in all reality he doesn't even have half the markers for any. He can and will learn if you go slow and take a ton of breaks. He is very well behaved besides his back talk rebellion which is normal at this age. He has never had the habit of lieing and sometimes is brutally honest. Which makes me wonder is this all a lie or can it really be true.

I do know over the last couple weeks at night I hear loud bangs and foot steps walking through the house but when I come out of my room it's quite and nothing is there. It does freak me out. It isn't like the normal creeks of a house settling it's stomps and foot steps and bangs. Hmm maybe my house is haunted?