What if we didn't need sleep to dream? Well, scientists may have found a way to hack those benefits even when you're awake.

On an Apple Watch, "core sleep" is another name for light sleep, which scientists also call stages N1-N2. It is not a type of ...

People on TikTok and other social media say they feel more alert when they have had fewer hours of sleep—but sleep scientists warn this is a false sense of energy ...

Medically reviewed by Sanja Jelic, MD As we sleep, our brain moves through four stages and two phases: non-rapid eye movement ...

Researchers from the Yale School of Medicine found that individuals who spend less time in slow-wave and rapid eye movement (REM) sleep had smaller volumes in brain regions linked to Alzheimer's. This ...

“Everyone has a specific threshold for insomnia, and sometimes precipitating factors can break through the threshold and you can’t sleep. The stressors could be personal ...

Yet for some, they can sabotage nighttime sleep. Napping is a double-edged sword. Done right, it’s a powerful way to recharge the brain, improve concentration, and support mental and physical ...

As a result, the all-day shuttle bus service that had been in place for three weeks to give users a backup plan in case of a REM outage is back. Tuesday's outage was announced just after 7 a.m ...

Time to give these so-called sleep hacks a rest? The team behind the sleep tracker Sleep Cycle crunched data from over 1 million global users to determine the social media slumber shortcuts that ...

Some people snore, and some act out their dreams. Whatever goes bump in the night, sleep troubles aren’t without consequence. Left unchecked, undiagnosed and untreated, sleep disorders can start the ...