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 ...

It’s no secret that when you’re pregnant, sleep can be more difficult. Early pregnancy insomnia, difficulties getting comfortable, and the frequent late-night pee stops can all make it difficult to ...