A study identified five sleep types that could be linked to mental well-being, bedtime habits and brain activity. The findings could help improve clinical treatments.

Researchers found that missing a single night of sleep can quickly affect key parts of the immune system. The study found important immune cells became overactive after sleep loss. Researchers say ...

If you need to stay awake for studying or work, there are many healthy and safe ways to improve energy levels. Here's how to ...

Instead of slipping on a ring or strapping on a watch, you simply lie on top of it. “Sleep is the number one challenge for so many people in the world right now,” Dr. Greg Wells, a physiologist and ...

You may have heard of white noise and might assume it's the best noise for sleep. But did you know there's a whole range of "colored noises" that can help you drift off to sleep each night? From gray ...