(Kyla Russell/ CNN News) — It’s no secret that sleep is important to your overall health, but a lack of sleep could have substantial effects on your heart, a new study shows. The researchers said people with insomnia are more likely to have a heart attack.

Insomnia is the most common sleep disorder in the US, the researchers  …

(Mark Waghorn/ Study Finds) — Getting less than five hours of sleep at night raises an older person’s risk of premature death by a quarter, according to new research. The study finds middle-aged and older adults are 40 percent more likely to develop at least two life-threatening illnesses such as heart disease, cancer,   …

(Tom Yun/ CTV News) — A new study has found that not getting enough sleep could have a detrimental impact on brain development for children and lead to cognitive difficulties down the road.

The study, published in peer-reviewed journal The Lancet Child & Adolescent Health on Saturday, involved 8,300   …

(Robby Berman/ Medical News Today) — A study from Northwestern University Feinberg School of Medicine in Chicago explores the link between light exposures during sleep and health risks. The research serves as a warning for the many people living in industrialized nations where light tends to be omnipresent.

Sleeping  …

(Dave Yasvinski/ Healthing) — Grabbing a nap in the middle of the day won’t undo the dangers of a restless night, according to a new study that stresses the importance of sustained shuteye on cognitive function.

The research, conducted at Michigan State University’s Sleep and Learning Lab and published in the journal Sleep,  …