Scientists have known for a while that sleep helps to strengthen previously acquired memories. But can we learn in our sleep? Although the state is characterized by loss of consciousness and a lack of ...

You’ve heard of REM sleep but what about deep sleep? Experts share why it’s important and how to make sure you’re getting enough of it.

One of sleep’s key functions is to stabilize and integrate new memories into our brain’s long-term memory systems, a process known as "consolidation." This idea is now widely accepted, though it ...