Researchers at MIT and Harvard have identified a striking biological pattern behind the mental fog that follows a sleepless night: the exact moments when a sleep-deprived person loses focus coincide ...

Poor sleep is associated with an increased risk for dementia, but many sleep studies have had inconsistent results. For the ...

Still tired after 8 hours of sleep? An expert reveals why quality matters more than quantity, plus tips to improve your rest ...

Teens who catch up on sleep over the weekend may lower depression risk by 41%. Here's how better sleep habits can support ...

A major study by smart ring and CGM maker Ultrahuman highlights patterns between when you go to sleep and elevated blood ...

Microstructural EEG features may offer a scalable tool for early dementia detection ...

A new pooled analysis led by UCSF researchers suggests that how your brain looks during sleep, its so‑called brain age, may help predict who goes on to develop dementia. In roughly 7,100 U.S. adults ...

It might be worth working a little bit harder to get that much-desired, but often elusive, good night's sleep. Deep sleep clears the mind of waste just as a "dishwasher" cleans dirty plates and ...

What is a sleep study? A sleep study, also known as a polysomnogram, is a diagnostic test that monitors various body functions while a person is asleep. It is most commonly used to diagnose sleep ...

Dr. Brian Rotenberg isn’t keeping his lips sealed about this trendy bedtime hack. “The general concept of mouth taping, from a scientific and biological perspective, doesn’t make a lot of sense,” the ...

Nearly 54 million US adults are believed to suffer from obstructive sleep apnea (OSA), which occurs when muscles in your throat relax and repeatedly block your airway, causing you to stop breathing as ...