We have trillions of body clocks — a central one in the brain and others in each cell of our body. Here's how they work with ...

The JALL Wake-Up Light Sunrise Alarm Clock is a well-priced option in this space. In the version we tested, there were two alarm settings, eight sleep sounds, 15 light options (though the upgraded ...

She has tested several sunrise alarm clocks, white noise machines, and other sleep-related gear. After a new round of testing, the Philips SmartSleep Wake-Up Light HF3520 remains our top pick.

Light impacts the ticking of our internal clock — it tells our brain to be awake, while darkness signals that it’s time to sleep. That’s why screen time before bed can interfere with your sleep.

If you want to wake up more gently and naturally, we recommend investing in a sunrise alarm clock, which will stir you with gradual light and calming nature sounds. Skip the snooze button and ...

You can't adjust the snooze time. A sunrise alarm clock is designed to gradually wake sleepers up with light rather than a blaring alarm. We found that the Philips HF3500 is one of the best ...

To help you find the best alarm clock for your bedroom, we tested 21 top-rated models to find the best ones for light sleepers, heavy sleepers, and everyone in between. Large, easy-to-read display ...

We are often warned against sleeping with our phones anywhere near us – both for health reasons as well as the effect of blue ...

And boy, is it both. Probably the most important part of this well-illuminated clock is the light sensor, which allows it to adjust the brightness automatically. If you’re not into that, ...

Shelby Harris, director of Sleep Health at Sleepopolis, tells us that "sunrise alarm clocks can help you wake up more naturally by slowly brightening like a real sunrise. This gradual light helps ...

The Bodyclock range is a regular in our best wake up light ranking ... more soothing and less irritating than your standard alarm clock noise options, and even if you're more particular, there ...