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 ...

With sleep impacting health issues like stress and weight, tracking REM and deep sleep can help you improve your nights.

It has been known for nearly 20 years that slow, synchronous electrical waves in the brain during deep sleep support the formation of memories. Why that is was previously unknown. Now, writing in the ...

If you've ever woken up feeling groggy and sluggish even after a full night of rest, you might not be getting enough core sleep. What is core sleep? It's a term that encompasses the most restorative ...

It has been known for nearly 20 years that slow, synchronous electrical waves in the brain during deep sleep support the formation of memories. Why that is was previously unknown. Now, a team of ...

Share on Pinterest Research has found that deep sleep is crucial for the formation of memories. Amor Burakova/Stocksy Getting enough sleep is an important part of a person’s overall health. Poor sleep ...

Light sleep is the beginning of your sleep cycle and your body's way of winding down. Breathing, heart rate and muscle changes prepare your body for the deeper sleep to come. Light sleep is broken ...