What is core sleep is on your Apple Watch, and does it even matter? We look at which sleep stages matter most for quality ...

People across social media claim that dark showering can help reduce stress and aid in sleep. Some experts agree. Learn more here.

What are sleep paralysis demons? Sleep paralysis demons are nightmarish hallucinations that often accompany episodes of sleep paralysis. This occurs when the temporary paralysis, which is a normal ...

Why your smartwatch thinks you slept badly even when you feel fine ...

Sleep inertia occurs when your body is fighting to stay asleep when you want it to wake up. It generally feels like a temporary disorientation and drop in performance or mood after you wake up. Here's ...

One key role of sleep involves cerebrospinal fluid, which surrounds and protects the brain. During sleep, CSF helps remove waste that accumulates during waking hours. In a 2019 study, Lewis and her ...

We're all chasing better rest. From herbal teas and nighttime routines to white noise machines and tracking apps, quality sleep is now a key part of the wellness conversation. But for people with ...

Learn what research tells us about how wearing socks to bed affects sleep and foot hygiene, plus beliefs about socks, sex, ...

Here’s what the science says.