Sleep often becomes lighter and more fragmented with age. A neurologist explains why older adults wake up more at night, when insomnia is a warning sign, and what helps improve sleep safely.

You’ve heard of REM sleep but what about deep sleep? Experts share why it’s important and how to make sure you’re getting enough of it.

Medically reviewed by Sohaib Imtiaz, MD Key Takeaways Deep sleep is essential for health, making up 20% to 25% of total sleep time.Not getting enough deep sleep can raise the risk of problems like ...

When you were younger, you might have thought older adults went to bed early simply because they loved quiet mornings and a hot cup of coffee. But if you’re now the one awake before sunrise, you’ve ...

Deep sleep refers to slow-wave sleep — a stage in the sleep cycle when brain waves slow down. Getting enough deep sleep is crucial for numerous bodily functions. But how to increase deep sleep isn’t ...

Losing as little as 1% of deep sleep each year has been linked to a 27% increase in dementia risk, results of a retrospective cohort study show. Researchers suggest that prioritizing deep sleep — also ...

(WXYZ) — Researchers have discovered the perfect amount of sleep for middle-aged people. Getting more or less per night could impact mental health and well-being ...

Higher nighttime light exposure is associated with increased light sleep duration, with complex effects on deep sleep duration. New research reveals how outdoor nighttime light exposure subtly impacts ...

Dear Doctors: I’m a 68-year-old man who cannot remember the last time I awoke in the morning feeling fully rested. My friends laugh and say those days are long gone for people our age. Is this true? I ...

Less slow-wave sleep over time raised the risk of incident dementia, prospective data showed. Each percentage decrease in slow-wave sleep per year in people 60 and older was tied to a 27% increase in ...