Global night light is getting bigger and brighter, blotting out the stars of the Milky Way for one-third of humankind, according to a new study of federal satellite data measuring outdoor lighting.

For the study, all the participants spent their first night sleeping in a mostly dark room. The next night, half of them slept in a more illuminated room (the light was placed overhead).

Turns out a messy room could be keeping you up at night. June 12, 2015, 9:35 AM EDT / Updated Aug. 3, 2016, 1:17 PM EDT / Source : TODAY Contributor By Julie Pennell ...

The ideal room temperature for sleep is anywhere from 60°F to 65°F (15.6°C to 18.3°C.) However, everyone is different, and this temperature may not work for you. Infants and older adults may ...

Going to bed late, also known as being a night owl, was linked to increased use of alcohol and tobacco and early death, a new study found. CNN values your feedback 1.

Sleeping in a room even a little bit of light can hurt a person's health, study shows Turn out the lights for a good night of sleep: this seems like common sense, but many Americans don't actually ...

The Vision 21 Conference Room, lovingly referred to by students as the “Jedi Council Room” for its futuristic shape, offers a powerful view of Purdue’s campus.

A heartwarming video of a dog named Chef refusing to leave a foster puppy named Chip’s side on his first night in the house is winning hearts on the internet. On March 12, the dog’s owner took ...

People who saw more than five lux of light at night were much more likely to develop symptoms of depression than those who slept in a completely dark room. (For context, 10 lux is like looking at ...

One study of 664 sleepers found, on average, that participants spent about 54% of their time in bed sleeping on their side, about 37% on their back, and about 7% on their front.

People who prefer to go to bed and get up later — a sleep chronotype known as being a night owl — may die early from bad habits they develop when they stay up late, according to a new study.