Seeing Lots Of Children

One night after I felt very well sad I went to sleep and had a dream I thought it was normal a girl with long blonde hair and bright green eyes was standing in front of me with nothing in the back ground. I was curious because she was so young and was just staring at me with a sad look. I asked who she was and she gave a smile and that's when my dream ended, normally I would think nothing of it but that day in math class I sat in the very back row and I felt someone lightly tap my shoulder, turning my head a little I saw no one and then in my other ear it got ice cold and I heard a small voice shout a name, Sarah and then I lost my sight for a little while and in the door way of the room I saw the girl in my dreams who's name I now think is Sarah. For the next few nights I had similar dreams but with different kids one night was siblings and the same thing happen in my math class I felt the tap and then names being shouting into my ears the names were Liz and Peter they had red hair and brown eyes along with this little boy named Chris who has brown hair and green eyes. The last few nights I had a dream were I was in an old time library where I met two knew kids and the same things happen there names were Nate and Jasper. After all of the kids were now in my heads and when I sit down and am doing nothing I feel cold spots and hear children playing up stairs. Sometimes I can hear them during school and when I'm trying to get to sleep. I am fine with knowing these spirits or maybe it is my imagination but either way I want to know what you think.