Feb. 3, 2025 — Researchers have uncovered how perceptual memories linked to positive emotions, such as joy or happiness, are strengthened during sleep. The study could help scientists understand ...

Sleep has been shown to have a long list of physical and mental health benefits, and now a new study suggests it could also help to "erase" bad memories. That’s according to researchers from the ...

8, 2025 — A good night's sleep does more than just help you feel rested--it might literally clear your mind. A new study shows how deep sleep may wash away waste buildup in the brain during ...

This groundbreaking research suggests that changes in how quickly we enter rapid eye movement (REM) sleep might serve as an early warning signal for cognitive decline. A comprehensive study ...

This may be done in a sleep disorder center or even at home. A polysomnogram -- or sleep study -- is a multiple-component test that electronically sends and records specific physical activities ...

But the scientists indicated that what drives the system was unclear until now, according to the study. Is all sleep created equal? The researchers wanted to find out. To find clues, Nedergaard ...

A single lead ECG records the electrical signals from your heart during the sleep study to monitor your heart rate and rhythm. In this test, a device called a pulse oximeter is clipped onto a thin ...

But now, thanks to new portable monitoring tools, you may be able to do your sleep study at home in your own bed, instead of sleeping in a lab. In the past, many women didn't get a correct ...

However, the standard test for diagnosing sleep apnea is a sleep study, also known as polysomnography. This tracks breathing patterns, oxygen levels, and other vital signs during sleep.

A mouse study aims to shed some light on this matter. Image credit: robert reader/Getty Images. As many as 70 million people have consistent sleeping issues. Not getting enough sleep each night ...

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The research, which analyzed data from more than 1,000 workers over a 10-year period from the national Midlife in the United States study, examined how job design impacts employees’ sleep patterns.