The worst nightmare

we move in the old house and there are 13 room's I pick the 13 room's in the 4 floor in that night when I'm sleeping someone knock on the door I thought it was my mother but when I open it no one is there I thought my brother's or sister's was just pranking me but when I close the door I hear a nose coming from the door there was a girl that walking and crying I was so scared and go to bed cover my body with blanket that one's i put the blanket I hear some noise in my room a little girl and little boy laughing I was so scared that's why i didn't move but the two kid took my blanket that's why I pretend that I sleep and the good part is I really sleep and when the sun come's up it was just a dream I said to my self that this is my worst nightmare when I go down stairs I hear a 2 kid laughing like in my dream's