There's contradicting evidence as to whether or not radio waves from mobile phones are harmful to your health. Some research shows that cell phone radiation could cause brain cancer, and others claim that there is no correlation. Whatever the case may be, the debate is back on the table for the Federal Communications Commission. The FCC is updating its standards on exposure to electromagnetic fields from phones for the first time since 1996, and the renewed guidelines should reveal interesting data on how we are affected by those radio waves.
If cell phone waves are, in fact, damaging to our brains, than smartphone users who keep their iPhones or Android devices on their nightstands may be at risk. The popularity of sleep apps, such as the Sleep Cycle Alarm Clock, which requires users to place their phone on the bed to identify when you are in deep REM (rapid eye movement) sleep, is growing rapidly. Does this mean that sleep-conscious smartphone users aren't worried about the potential harmful effects of radio waves or radiation?
We want to know what you think: do you keep your cell phone by your bedside? And if not, is it because you're concerned about brain damage?
We already know that 
There are 
As someone who is regularly glued to her cell phone, this isn't the greatest news of the day: the International Agency for Research on Cancer (IARC) warns that cell phones may increase the risk of cancer. Panel chairman Jonathan Samet, MD, chair of preventive medicine at the USC Keck School of Medicine 