It would really depend on the specifics. I was somewhat surprised to learn that my girlfriend sleeps with her phone under her pillow. That's pretty close to you

It would really depend on the specifics. I was somewhat surprised to learn that my girlfriend sleeps with her phone under her pillow. That's pretty close to your head, for a fairly large portion of each day. That said, I was more concerned about battery malfunctions / fires. EDIT> Inverse square law. Presumably those other emitters aren't right by your head.