When you're a hard sleeper, waking up is the hardest thing to do with a normal alarm clock. The Sonic Boom Analog Alarm assures that you'll wake up - and quick!. Featuring an analog face (no more confusing AM & PM), this alarm clock allows volume control up to 113dbs! If that's not enough, it also vibrates your bed and pulsates lights to get your attention! Short of a wild animal stampede, this Sonic Boom Analog Alarm has everything you need for it to be the best alarm clock for deep sleepers.