Sleep experts reveal why going to bed after a certain time disrupts cortisol and melatonin balance, causing disrupted sleep.

If your bedroom never gets fully dark because of streetlights, hallway lamps, or city glow, your heart might be working ...

People who have higher exposures to artificial light at night have more brain stress activity, blood vessel inflammation and ...

It turns out that your annoying friend who insists on closing all of the window blinds and covering all of the glowing ...

After examining 13 million hours of light exposure data, researchers found that experiencing bright light during the dark ...

Scrolling on your phone before bed may not be as bad for your sleep as we once thought. New research from Toronto ...

A new study suggests that artificial nighttime light seeping into your bedroom could be harming the health of your heart.

Before electricity, humans naturally slept in two phases, waking for an hour or two around midnight for quiet activities.

After adjusting for established CVD risk factors, the cohort that experienced the brightest nights had significantly higher ...

Research suggests that adding more fruits and vegetables to your diet could support sleep. It has to do with fiber and ...

New research shows that living in sync with your body clock may help reduce risks for heart disease, diabetes, and high blood ...

Just 2- to 3-minute “microbreaks” each hour can noticeably improve cognitive performance and concentration during long night ...