Sunrise-simulating alarm clocks are having a bit of a moment right now, but are the claims made about them true? Are they an ...

Waking up shouldn’t feel like an emergency. The reality is, few wake up to the sound of birds chirping and light filtering in through the window. A far more common experience? Being jolted awake by ...

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, ...