When that happens, the brain's built-in alarm to breathe doesn't go off, despite a lack of oxygen.

CNN: Water safety expert: 'Drowning doesn't just happen'

The bombers who targeted commuter trains in Madrid on March 11 used the built-in alarm clock in mobile phones to set off explosives.

CNN: Mobiles used in high-tech terror

The portability crowd will be a bit bummed that the Soloist only plays when connected to an AC outlet, as a battery compartment is MIA, but you will be able to wake to your favorite tune or Sirius station thanks to the built-in alarm clock, which could possibly make dragging yourself out of bed at least slightly less excruciating.

ENGADGET: Directed unveils Soloist universal media dock

The vibrating alarm device and handsets with the built-in transmitter will be shipping later this year, Alcatel said.

CNN: Technology - Alcatel personalizes vibrating phone alerts