Curious about sleep headphones? From noise-canceling earbuds to Bluetooth headbands, here are the best sleep headphones tested by CNET’s experts. Aly Lopez is a writer on the sleep team at CNET.

Researchers have categorized sleep deprivation in five stages: Stage 1: After 24 hours of no sleep, you may have a hard time focusing and feel mentally impaired, very tired, and cranky.

No one likes cold feet, especially when you're trying to sleep. In fact, they could be the reason you're having a hard time getting good sleep at night. With temperatures dropping, your feet may ...

One of the most fascinating things I've learned about them since I started writing about pets and animals has to do with how they sleep. Dolphins experience what is called "unihemispheric sleep ...

Next to REM sleep, which you’ve probably heard of, and “deep” sleep, which feels self explanatory, there’s “core” sleep. And if you google what core sleep means, you’ll get a ...

Clinical research is limited regarding how effective CBD is for sleep, and research into CBD gummies specifically is rare. However, early research suggests that CBD can help. Plus, buyer reviews ...

Deep sleep, like all sleep stages, helps you feel refreshed when you wake up. The proportion of time you need to spend in each sleep stage varies with age. Adults need around 20% to 25% of total sleep ...

If you're only sleeping four to five hours a night (or less), it could be due to stress, consuming too much caffeine, or a poor sleep environment. If this happens regularly, it could be a sign of a ...

'ZDNET Recommends': What exactly does it mean? ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources ...