Part old-school alarm clock, part Armageddon, the Sonic Alert combines pulsating lights, a 12-volt bed shaker, and a siren ...

If you're a very heavy sleeper, you already know a regular alarm clock usually doesn't get the job done, and phone alerts or easygoing sunrise alarms don't rouse those who are deep in an REM cycle, ...

Which countdown clock is best? The year is quickly coming to an end, and many have started to make plans for their New Year’s Eve celebrations. You might have the perfect venue in mind and have ...

Eight months later, it still has a permanent spot on my nightstand.

Waking up isn't always easy. An alarm clock certainly gets the job done, but not always in the most useful or pleasant way. Luckily, there's a variety of free online alarm clocks available for almost ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Mashable may earn an affiliate commission. Alarm clocks might seem ...

Which countdown clock is best? The year is quickly coming to an end, and many have started to make plans for their New Year’s Eve celebrations. You might have the perfect venue in mind and have ...