"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." So what’s the solution? How can we make it easier for heavy sleepers to wake up? In cases like this, a ...

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, ...

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. Not ...