Pretty much all smartphones come with a clock app. This app allows users to create timers, countdowns, and alarms. It’s simple and it works, or at least it does for phones other than the iPhone.

Are you someone who hits snooze three times before crawling out of bed — or do you leap up at the first chime, wondering why anyone would want to delay the inevitable? The snooze button is a divisive ...

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, ...