People report vivid dreams during rapid-eye-movement sleep. But is this sleep stage really the only time we dream?

Getting enough quality sleep is essential to strong memory function. Understanding the sleep-memory connection may help you learn to prioritize sleep and improve your memory.

When a newborn twitches, smiles, or makes small movements in their sleep, parents often wonder if their baby is dreaming. The ...

Have you ever wondered if the mind is awake or asleep during dreams? Scientists are now working to unravel this mystery.

Sleep cycles alternate between NREM and REM phases, allowing physical restoration, memory consolidation, emotional regulation ...

A new study by investigators from Mass General Brigham has used next-generation imaging technology to discover that when the brain is falling asleep, it shows a coordinated shift in activity.

Can’t remember your dreams when you wake up? Here’s what sleep experts say about why dream recall fades and how to start ...