People across social media claim that dark showering can help reduce stress and aid in sleep. Some experts agree. Learn more here.

Atrial fibrillation, or A-fib, is becoming more common, but doctors say treatments are improving. The condition is a quivering or irregular heartbeat that can lead to blood clots, stroke and ...

Obstructive sleep apnea disrupts brain function in several ways, including low oxygen levels, interrupted sleep, and vascular risk. Several regions throughout the brain may shrink, and the ...

The science pros at TKOR explain a crazy fact about why people sleepwalk.

Experts said there is "ongoing confusion and concern” about side effects linked to the cholesterol-lowering drugs, which are ...

Perpetually waking up at 3 a.m.? Experts share how to address insomnia and sleep more soundly through the night.

Sleep experts explain what winter insomnia is, why colder months can disrupt sleep, and what to do if seasonal changes affect your rest.

It’s rare that people have a disorder where cortisol on its own is the cause. If a person’s cortisol level is chronically low ...

Using an air purifier nightly could improve sleep and reduce blood pressure for some people. Experts recommend choosing a ...

That’s the major finding from a new study published in the Journal of the American Heart Association. After analyzing data ...

This story mentions suicide. If you or someone you know is in crisis, call or text 988, or go to 988lifeline.org, to reach the Suicide & Crisis Lifeline. You can also call the network, previously ...

Learn what research tells us about how wearing socks to bed affects sleep and foot hygiene, plus beliefs about socks, sex, ...