Sound machines and “sleep sounds” are often marketed as a cure for restless nights, but new research suggests they may actually be working against the brain.

Sound machines may not be the sleep saviors many believe. Researchers found that pink noise significantly reduced REM sleep, while simple earplugs did a better job protecting deep, restorative sleep ...

In 1996, in an episode called “Messages from Earth,” part of the beloved sci-fi TV series Babylon 5, Captain John Sheridan (Bruce Boxleitner) confesses to his Minbari colleague Delenn (the late, great ...

Brain waves can be manipulated while in rapid eye movement (REM) sleep, a sleep stage associated with memory and cognition, a new study from the University of Surrey finds. Novel technology, using ...

There’s nothing more annoying than not being able to sleep. Anyone who has experienced even a short period of disturbed sleep ...

Share on Pinterest A new study shows that pink noise may lower the quality of sleep and disrupt the REM cycle. Image Credit: AleksandarGeorgiev/Getty Images A recent study suggests that pink noise, ...

White noise — and all the other colour noises, like brown and pink and green — is a steady sound known as broadband noise. Broadband noise is sound that has a bunch of different frequencies, all ...

REM stands for rapid eye movement — a stage in the sleep cycle when your brain is almost as active as when you’re awake. Getting enough REM sleep is crucial, as it helps you store information and ...

Pink noise, a staticky sound that’s supposed to help people fall asleep, may actually worsen your rest, a new study found. Pink noise — like white noise — contains all the frequencies humans can hear, ...