See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Scientists have made a breakthrough in our understanding of how ...

It has been known for nearly 20 years that slow, synchronous electrical waves in the brain during deep sleep support the formation of memories. Why that is was previously unknown. Now, a team of ...

A new study uses optogenetics to induce localized sleep in awake mice, reversing memory loss from sleep deprivation.

In today’s fast-paced world, where productivity is often prioritized over rest, many underestimate the powerful connection between sleep and memory. Whether you are a student cramming for an exam, a ...

Obstructive sleep apnea, a condition that causes lower oxygen levels during sleep, is linked to degeneration of brain regions associated with memory through damage to the brain's small blood vessels, ...

Even just one night of less than six hours of rest can impair short-term memory. By Dani Blum We’re all familiar with the feeling of running on fumes after a night of little to no sleep. Sleep ...

A new study to be presented at the SLEEP 2026 annual meeting found that irregular sleep—including variability in sleep timing ...

Discover the 25 disturbing things your brain does while you sleep. From processing trauma to deleting memories and simulating ...