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. While ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. When you don’t get enough good sleep, the ...

Experts are ringing alarm bells over the health consequences of irregular sleep patterns, cautioning that even a full eight hours of nightly rest isn't enough if those hours are inconsistent. In a ...

Researchers objectively measured sleep and circadian rhythms, and the association to academic performance in college students, finding that irregular patterns of sleep and wakefulness correlated with ...

A new study suggests that maintaining consistent sleep schedules may reduce the risk of heart disease and stroke. Researchers found that irregular sleep patterns are associated with a higher ...

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 ...

BOSTON, MA - Previous research has analyzed variations in sleep patterns including number of hours slept, quality of sleep, and sleep-wake times, and found an association with cognitive impairments, ...