The more we learn about sleep, the more we discover how important it is for both the mind and the body. It's no secret that lack of sleep can cause problems with learning and the ability to focus.

"I think you should look at sleep as one of the causes of ADHD," said Dr. Richard Millman, a sleep expert at Brown University Health. Millman is talking about lack of sleep and poor sleep. "The data ...

Sleep and digestion are often thought of as separate aspects of health. But doctors say the two are closely connected. In fact, the relationship between sleep patterns and digestive function is so ...

If you have trouble sleeping, you may take something to help you at night. You may “self-medicate” with illegal drugs, alcohol, or medication. But substance misuse or withdrawal from drugs can cause ...

Complications of sleep apnea can range from high blood pressure to heart problems and diabetes. But emerging research suggests that sleep apnea can sometimes trigger migraine episodes. Sleep apnea is ...

Does too-high cortisol cause sleep disorders such as insomnia and sleep apnea, or is high cortisol a result of those sleep disorders? The answer is complex, and one that scientists are still reaching ...

Over the years, I’ve treated hundreds of patients who struggle with both sleep and weight issues. Many of them are women. From patients, I often hear: “I’m not sleeping well. And I can’t seem to lose ...

In 2022, neuroscientists at the University of Oxford published a study in Brain Communications that links tinnitus and sleep. They found that slow-wave activity in deep sleep might suppress the brain ...