Add Yahoo as a preferred source to see more of our stories on Google. Biological clock Getty Images/nambitomo Researchers have long wished to understand the connection between sleep and memory, ...

About 10% of Americans say they have chronic insomnia, and millions of others report poor sleep quality. Ongoing research has found that bad sleep could lead to numerous health problems, including ...

Excessive screen use by preschool-age children can lead to reduced sleep quality, exacerbating problems such as poor attention, hyperactivity and unstable mood, a new study suggests. Excessive screen ...

Your sleeping habits can directly impact your brain’s health, and the health of your brain can affect how you sleep. So when your body is experiencing one or multiple chronic sleep disturbances, it ...

A group of studies, all conducted independently, have reached a similar sobering conclusion: sleep problems—including several common sleep difficulties faced by millions of people on a regular ...

Turning a computer off or putting it to sleep may be a matter of personal preference or habit. It's faster to close a laptop's lid or have a desktop enter sleep than shutting down either type of PC.