There are many people who are very attached to their cell phones that they sleep with them in their nightstand or even under their pollow.this is very bad idea because cell phones draw off electromagnetic radiation whenever ther are on. this means sleeping with your phone nearby increases your exposure all night long.
Cell phones give off a form of energy known as radiofrequency waves,so some concerns have been raised about the safety of cell phone use.with respect to cancer,concern focuses on whether cell phones might increase the risk of brain tumars or other tumars in the head and neck area.
Experts recommmend that the cell phone should be at least three feet away from the body during sleep.we can leave it for examplw on the couch or on a chair.
Thanks for reading.i hope you will careful about it.