With life’s busy schedule, keeping track of time without a clock is challenging. We’re so dependent on this device that even when we go to sleep, we need an alarm clock to remind us to wake up.

Best for heavy sleepers With its puck-shaped shaker, the Sonic Bomb Extra-Loud Alarm Clock uses a powerful vibration to help ensure that you wake up on time. It's very abrupt, so it won't rouse ...

The Goal: Find the best alarm clock. Sleep doctors and sound experts turned us away from alarms with loud, abrasive buzzes and beeps (helpful for heavy sleepers but stressful for everyone else ...