REM stages and one REM stage. Ideally, you repeatedly cycle through each stage. Learn how long each stage lasts.

Whether you have trouble falling asleep or waking up and not being able to get back to sleep, you’re not alone. Tossing and ...

We tried sleep earbuds and earplugs from Ozlo, Anker Soundcore, 1More, and Loops — and three stood out as the best.

For seven days, they recorded their diet against objective sleep parameters. The study concluded that a 6% rise in protein ...

When you get enough sleep, your brain functions better. You can think clearly, stay focused, and complete tasks faster. Poor ...

The best dog beds are supportive, durable and designed for the way dogs rest, so pups actually want to use them. Here are our editors' top picks, after years of testing.

Using social apps more can mean we spend less time socializing in real life and sleeping — both essential to our mental ...

It’s true that not everyone has the same interests. Some people fully identify with their sporty personalities growing up — ...

The CopperFlex Pro Hybrid by Brooklyn Bedding claims to offer affordable luxury, but what's it like to sleep on? We tested it ...

The optimal amount of sleep for adults is between seven and nine hours per night, according to the National Sleep Foundation.

But if, like 30 million other Americans, you have sleep apnea, you could be getting plenty of zzz’s and still be putting your ...

Beginning Monday night, Democratic Sen. Cory Booker stood and spoke for 25 hours and 5 minutes, according to his office, ...