There are tell-tale signs when you don’t get enough REM sleep. It’s the fourth stage of sleep and it’s crucial for processing ...

Plus, we'll offer our top tips on how to get more of both. It’s typically classified as its own category compared to NREM sleep (aka non-REM sleep), the latter of which has three stages that ...

Here's what you need to know about REM sleep as well as how to get more of it. What is REM sleep? When you fall asleep, your body first enters non-REM sleep. This is the stage of sleep where your ...

This is also a time that our brains are really getting to work. According to the sleep and rest experts at Calm, REM sleep helps with these essential cognitive functions: As core functions go ...

Let these charts teach you how to sleep less ... we still get our normal portion of short-wave sleep and REM sleep. You just get rid of these intermediate stages in the morning.

Not getting enough of deeper stages of sleep raises the risk of brain deterioration associated with Alzheimer’s disease, a ...

Even as we get older, REM sleep remains important. It supports neuroplasticity – the brain’s ability to adapt, reorganise, and keep learning throughout life. "Newborns spend up to 50% of their ...