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, ...

When daylight saving time ends on Sunday, and mornings are gradually growing darker. Whether you’re after a gentle sunrise glow or a good old-fashioned buzzer that could wake the neighbors, we’ve ...

A person in bed reaches over to an analog alarm clock on a bedside table. - Peopleimages/Getty Images We may receive a commission on purchases made from links. Getting seven to eight hours of sleep is ...