This is a true story

I was about 16 at the time , I used to live in the lake district in a bungalow with my parents.It was a stormy night and the wind was howling and the rain was pelting into the windows. My parents had retired for the night and at last i was alone and could watch a video . I sit there engrossed in the film then i see movement out of the corner of my eye I look over the room is well lit and see nothing out of usual. I go back to watching film then again 5 mins later out of the corner of my eye somthing moves . I am now a bit spooked but decide to just ignore the film and stare at the part of the room where i thought i had seen somthing. I start to lose interest but then a table slowly moves and seems to glide across the room. I was terrified by this point and was in half a mind to run then i noticed the floor seemed to be moving. Can any of you give an explanation for this ?

Well it could be one of three things

1, a poltergiest investation
2, a ghostly goings on
3, wind blowing from under the floor boards some how ..

there are 3 only reasons i can think of..

It Sounds like a case of a bit of paranormal activity going on, but I may be wrong ..