Some alarm clocks also have automatic backlights that adjust to the room’s lighting, while others have manual backlights. Atomic clocks come in both battery-powered and plug-in designs.

The best silent alarm clocks Best overall ... I then set them up again after reading the manual to make sure the directions were easy to follow. Performance: I used each alarm for at least ...

Perhaps your cell phone does a fine job waking you up in the morning, but an alarm clock is a superior device. By now, it’s common knowledge that using your phone at bedtime—or even sleeping ...