Editor's note: The description of this segment has been updated to clarify Azizi Seixas' affiliation with the University of Miami's Miller School of Medicine. According to the CDC, more than 1 in 3 ...

Diet, exercise, sleep — all are fundamental to our health, but our relationship to light doesn't get mentioned as much. Now, a massive new study suggests light-driven disruption can take years off our ...

Australian researchers have found compelling evidence that insomnia may be linked to disruptions in the brain's natural ...

A new study suggests that timing meals may have an impact on one’s mental health, including levels of depression and anxiety — results that could benefit shift workers with chaotic sleep and eating ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. If so, you could be at higher risk of ...

(WJW) — Those who take melatonin supplements at night to help with sleep may be getting a wake-up call. A preliminary observational study from the American Heart Association (AHA) found that those ...

The West is burning out of control. Warmer temperatures and historically dry conditions are leading to longer and more devastating wildfire seasons than we have ever seen before. And now a new study ...

Here’s another reason not to pull an all-nighter. New research out of Kuwait reports that staying awake for 24 consecutive hours can change the behavior of immune cells in young, healthy and lean ...

We learned to take care of our teeth as small children, brushing them before school each day and before bed each night. A new study suggests oral care doesn’t just benefit our chompers, but also our ...

The study found that even a little lighting can increase the risk of depression. Exposure to light at night, even at very low levels, has been linked to an increased risk of depression, according to a ...