Ok, well...
I was 5 when my mum's mum passed away. I had gotten up one morning and told my mum that Gran had come to visit me during the night. Mum has never elaborated much but she told me this only recently. Apparently i told my mum only things that my gran would have known.
Also when my dad's mum passed away (she passed away in her sleep in their house), There were many experiences in the house afterwards.
In here living time, my nana used to visit her neighbour each morning, as she would walk past the neighbours window to get to the front door, she used to tap on the window to let the neighbour know she was on her way. The tapping could still be heard by her neighbour after nana passed. Nana passed away 15 years ago (gosh, time passes so quick)
In this house, my aunt (nana's daughter) now lives with her hubby and 5 children. The youngest of these children used to have a conversation with a woman she called "Flo", nana's name was Flora.
Another experience in this house, i had whilst babysitting for my aunt's kids. She had placed a baby monitor at the top of the stairs, as the youngest at the time was under a year old. Periodically i heard the opening of each of the bedroom doors in turn, as if nana was checking on the kids. (Nana had 10 kids of her own, so in her days had lots of checking to do!!)
All of these things stopped when my Gramps passed away (Nana's husband). I've never set foot in that house since the night i babysat.