I do and most everyone i know does dont think there's been any studies done but kinda wouldn't surprise if they did try n relate some cancer to it but then again what doesnt up your chances of getting cancer these days? Its sad but I figure there is a lot worse out there than sleeping with your phone.
There are many people, who sleep, eat and can't function, without their cell phones. Everything in the world, can give us, some type of health problem. The researchers believe, cellphones give off radiation, which can harm us.