From mouth taping to sleep scores, popular strategies raise questions about safety, evidence, and when efforts to improve ...

Acoustic stimulation increased the amount of deep sleep overnight for individuals with temporal lobe epilepsy, in addition to reducing tension and improving cognition the next morning, according to a ...

Most people treat sleep as the absence of activity. For muscle tissue, it is the opposite, deep sleep is when the body runs ...

Every morning, the day begins after checking the scoreIn the morning, when I wake up, I first open my smartphone."Sleep score ...

Scientists are learning more about why our memories fade with age—and the latest clue comes from what happens while we're ...

Share on Pinterest A new study shows deep brain stimulation applied during the deepest sleep cycle improves the brain’s ability to make memories. Leah Nash/The Washington Post/Getty Images Sleep is ...

Landmark human trial data published in 2026 has provided definitive evidence regarding the brain’s overnight self-maintenance network, known as the glymphatic system. The research underscores how deep ...

Sleep trackers can report vastly different deep-sleep readings, raising questions about how accurately they measure your ...

Wearable health trackers provide much insight into not only how much sleep you get, but how much of each stage you get. Deep sleep is important for physical restoration, and REM sleep is critical for ...

Few experiences rival the calm satisfaction of falling asleep easily and waking up feeling fully rested. But sleep is more than a luxury or idle downtime, it’s a vital biological process that supports ...

A new study has explored strong links between REM sleep and a risk of 83 diseases. Experts explain why you might be missing ...