If the organ doesn't get time to clean itself at night, it'll find (often inconvenient) time during the day.

We've all heard the best approach to solve a problem is to "sleep on it." It turns out there may be more truth to this adage ...

Get inspired by a weekly roundup on living well, made simple. Sign up for CNN’s Life, But Better newsletter for information and tools designed to improve your well-being. If you find yourself sleepy ...

For many years, the idea that “sleeping on it” would provide an individual with some time in which their subconscious mind ...

A recent study suggests that pink noise may interfere with REM sleep nd reduce overall sleep quality. The researchers say ...

Feeling sleepy during the day could signal a more serious issue for some groups. A new study published in the journal Neurology revealed a possible connection between daytime sleepiness in older ...

Pink noise, a staticky sound that’s supposed to help people fall asleep, may actually worsen your rest, a new study found.

NPR's Short Wave talks about babies' perceptions of rhythm, how sleep may help us solve puzzles and why snakes may be able to fast so long.

A new study shows that even a moderate dose of caffeine alters brain activity during sleep, increasing complexity and nudging neural systems toward a high-efficiency processing state, especially in ...

Add Yahoo as a preferred source to see more of our stories on Google. MIT study reveals how sleep deprivation causes your brain to flush itself clean while you’re awake, disrupting focus and ...

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, ...

There are far more people who would like to need less sleep than who actually need less sleep,” says Dr. Daniel Buysse, ...