(CNN) — Sleeping and waking up at different times is associated with an increased risk of heart attack and stroke, even for people who get the recommended amount of sleep, according to new research.

Irregular sleep patterns — not sticking to a regular sleep-wake schedule — may put people at a higher risk for dementia compared to those with more consistent sleep patterns, according to a new report ...

A new study shows that people who have irregular sleep patterns may have a greater chance of developing dementia than those who have more regular sleep patterns. When sleep becomes irregular, the ...

Persistent exhaustion is often blamed on stress, workload, or poor sleep, but a growing body of research points to something ...

We've heard getting enough sleep is important for preventing obesity, diabetes, and high blood pressure. Now, a new study says irregular sleep schedules are a factor, too. Every hour of variability in ...

Irregular sleep patterns may be linked to harmful bacteria in your gut, new research suggests. The study is the first to find multiple associations between social jet lag – the shift in internal body ...

A recent study that analyzed sleep data of 2000 adults over the age of 45 warns that frequent irregularities in your sleep duration might increase the risk of developing clogged arteries or a ...

People who maintain a mostly regular sleep pattern could have a lower risk of developing dementia than those whose sleeping and waking times vary wildly, a new study finds. People with the most ...