Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

Deep sleep helps you feel refreshed and typically makes up 20–25% of total sleep time, or about one to two hours per night for adults. If you're not sleeping soundly, certain strategies can help ...

Most bodybuilders associate gains with intense workouts and strict diets, which is not entirely true. The real magic often ...

Now that we have wearables tracking our every move, a lot of us can look at stats that supposedly tell us how well we’ve slept the night before. But sometimes, it can feel like your sleep tracker is ...

We’ve all been there: Maybe you were frantically packing for a trip and only got a few solid hours of sleep before it was time to wake up. Or perhaps you went to bed at a decent hour but were so ...

New study finds link between decrease in so-called slow-wave sleep and risk of dementia. But wearing an eye mask can boost this sleep stage You can save this article by registering for free here. Or ...

A new study suggests that insufficient slow-wave and REM sleep may accelerate brain deterioration associated with Alzheimer's disease. Experts recommend maintaining deep sleep through a conducive ...

Hot flushes, restlessness, insomnia? A hormone expert explains how perimenopause affects sleep and which strategies can help ...