Science proves, once again, that people are easily deceived by first impressions. But sleep can help, researchers say.

Researchers have discovered dual benefits of a naturally occurring supplement on sleep and gut health.

New research digs into the brain's ability to process many experiences even when it's "offline" during sleep.

New research identifies behaviors that could help kids with ADHD who don't take medication live a healthier lifestyle.

A new poll sheds light on parents' bedtime battles to get their kids to sleep. An expert breaks down the findings and offers tips.

During sleep, some neurons not only replay the recent past but also anticipate future experience, research in rats shows.

"Disrupted sleep may acutely impair rational thought, which can drive impulsive behaviors in vulnerable individuals."

A study links sleep apnea during REM sleep to verbal memory decline in older adults at risk for Alzheimer's.

New research suggests that "dreaming after an emotional experience might help us feel better in the morning."

A new study may pave the way for new approaches to treating sleep-related disorders, researchers say.