(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.

New research reveals that regularly sleeping 7–8 hours could help lower your risk of early death, while irregular or prolonged sleep may signal hidden health risks. Study: The impact of sleep health ...

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 ...

When you don't get enough good sleep, the short-term consequences are noticeable — maybe you're distracted at work or snappy with loved ones. But in the background, irregular and poor-quality sleeping ...

Older adults with irregular sleep patterns--meaning they have no regular bedtime and wakeup schedule, or they get different amounts of sleep each night--are nearly twice as likely to develop ...

Severe sleep irregularity often occurs with obstructive sleep apnea (OSA), and this combination approximately doubled the odds of hypertension in middle-aged individuals. OSA has demonstrated an ...