Apple warns against sleeping next to iPhones put on charge

Apple has warned against sleeping next to iPhones as they charge. "Don't sleep on a device, power adapter, or wireless charger, or place them under a blanket, pillow, or your body, when it's connected to a power source," Apple said. "Keep your iPhone, power adapter, and any wireless charger in a well-ventilated area when in use or charging," it added.