Gittit,
A wireless internet network would be a very bad thing to have close to your head while sleeping. This could be a very important piece of the puzzle for you.
Some links I found through searching for "EMF syndrome sensitivity":
http://www.spinspace.com/biophysics/emfsens.htm
http://cpbb.drofdetox.com/learnmore/...tion_emfss.pdf
This is a very real issue. Many people only show very "mild" symptoms of this issue, like insomnia or a seeming inability to reach a deep/refreshing state of sleep.