From Engadget
The danger of charging your phone under your pillow isn't radiation

The old fear about cell phone radiation causing cancer is an overblown concern, but there are other dangers when you tuck a charging phone under your pillow.
TechBlastTechnology. Unpacked.UK & world technologyFrom Engadget

The old fear about cell phone radiation causing cancer is an overblown concern, but there are other dangers when you tuck a charging phone under your pillow.