Add Yahoo as a preferred source to see more of our stories on Google. So what’s the solution? How can we make it easier for heavy sleepers to wake up? In cases like this, a more purpose-built alarm ...

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, ...

Waking up to a loud alarm on your smartphone is not a fun way to get up in the morning. Plus, there’s growing evidence that having a smartphone in the bedroom may be wreaking havoc on our sleep. This ...