<human>: Condense the text into a few key points

When I was 5 or 6 years old, I used to see/hear things at night that were not normal.  They would talk to me at night and with each other.  At first, I was terrified.  I would cry myself to sleep with my face buried in my pillow.  After a while, I decided to talk back and we'd have normal everyday conversations.  But even at this age, I knew it was crazy.  When I was scared at first, I remember one time going to the bathroom and throwing water on my face because I was seeing things.  When I got back to my bed, they were still there.  I remember one specific time I was staying at my grandparents house sleeping in their guest bedroom.  At about 5 in the morning, I felt someone tickling me.  Still in a daze, I started laughing and opened my eyes but I didn't see anyone.  The tickling got more intense to the point where it was hurting me.  I was fully conscious and bolted to my grandparents room and slept in their bed. The voices still continued at home and I conversed with them.  One day out of the blue, they were gone and I didn't think twice about it.  If I had to describe what they looked like, I'd say spirits in a sense.  They were just little ghostly looking blobs.  Any idea if this was some sort of condition? Or was I just a crazy little kid with an overactive imagination?
<bot>: Saw/heard/conversed with 'ghostly' beings as a little boy.  One day they were gone. Never told anyone about it.