Sleep disorders are associated with greater cognitive impairment and poorer instrumental activities of daily living in patients with AD.

Today is National Napping Day, so after your afternoon snooze, learn a bit about how sleep changes as we age. When you were ...

Past age 50, men are much more likely to have REM sleep behavior disorder than women. Jose Luis Pelaez/Stone via Getty Images Every night, you go through four to five sleep cycles. Each cycle, lasting ...

In an era where productivity and constant connectivity are prized, Americans are facing an unprecedented challenge in maintaining healthy sleep patterns. Sleep disorders, once seen as an inconvenience ...

Scientists say the combination of insomnia and sleep apnea could quietly increase the risk of heart disease. New research ...

Dr. Rinn: Our understanding of sleep as a fundamental process for both physical and mental health is really growing. Some of the functions of sleep include impacts on mental health, memory, immune ...

For many people, turning off the brain at nightfall is impossible, despite very real fatigue. Australian research offers an explanation for this enigma by implicating a misalignment of our ...

A new study points to the importance of getting answers about why you can’t sleep.

You're not the only one feeling exhausted ...

If you’ve ever had to endure a sleep study, you know it’s hardly the easiest way to catch some z’s. Now, researchers may have developed the solution: comfortable, washable “smart pajamas” that can ...

This sleep stage is incredibly important.

Snoring is often treated as a harmless habit and even joked about within families. However, doctors caution that persistent or unusually loud snoring may be a warning sign of a serious sleep disorder ...